Patents by Inventor Daniel D. Musgrave

Daniel D. Musgrave has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4799323
    Abstract: A magazine carrier for attachment to a firearm or other support. The carrier holds a magazine securely, yet permits it to be removed easily and quickly when needed. Only one hand is required for removal and the hand grasps the magazine in a correct orientation for insertion into a firearm. The magazine can also be removed from the carrier by a hand wearing a glove.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: January 24, 1989
    Inventor: Daniel D. Musgrave
  • Patent number: 4597213
    Abstract: A magazine carrier for attachment to a firearm or other support. The carrier holds a magazine securely, yet permits it to be removed easily and quickly when needed. Only one hand is required for removal, and the hand grasps the magazine in a correct orientation for insertion into a firearm. The magazine can also be removed from the carrier by a hand wearing a glove.
    Type: Grant
    Filed: December 18, 1984
    Date of Patent: July 1, 1986
    Inventor: Daniel D. Musgrave
  • Patent number: 4464855
    Abstract: A device for facilitate insertion of cartridges into a magazine used in a firearm. The device is adapted to enter the feed mouth of a magazine and depress the topmost cartridge therein. The device also serves as a loading tray to guide the next incoming cartridge into the feed mouth.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: August 14, 1984
    Inventor: Daniel D. Musgrave
  • Patent number: 4452002
    Abstract: A guide to facilitate insertion of cartridges into a magazine used in a firearm. The guide is positioned adjacent to the feed mouth of a magazine to control a cartridge as it is inserted therein. The guide includes a seat and a buttress against both of which the incoming cartridge slides as it is pushed into the magazine.
    Type: Grant
    Filed: July 19, 1982
    Date of Patent: June 5, 1984
    Inventor: Daniel D. Musgrave
  • Patent number: 4442962
    Abstract: A cartridge magazine hanger adapted for quick removal of a magazine therefrom using only one hand. The magazine is supported by engagement of at least one of its feed lips with a support on the hanger. The hanger can be attached to the clothing or equipment of the user or it can be mounted on a firearm, a vehicle, a boat, an aircraft, or a stationary structure. The hanger is also capable of serving as a cover to protect the feed mouth of the magazine against entry of extraneous matter, or against damage.
    Type: Grant
    Filed: February 18, 1981
    Date of Patent: April 17, 1984
    Inventor: Daniel D. Musgrave
  • Patent number: 4397108
    Abstract: Springs adapted for assembly in a limited space, in a minimum-stress condition. When thrust is desired, the relationship among springs in the assembly is changed, resulting in a tendency for the assembly to expand in a predetermined direction.
    Type: Grant
    Filed: January 16, 1981
    Date of Patent: August 9, 1983
    Inventor: Daniel D. Musgrave
  • Patent number: 4387525
    Abstract: A device for engaging a cartridge magazine with a support in a convenient attitude for rapid insertion into a firearm. In order that the insertion may be accomplished by moving either the firearm, or the magazine, or both, the device is so positioned that it can not interfere with the process of insertion.
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: June 14, 1983
    Inventor: Daniel D. Musgrave
  • Patent number: 4315378
    Abstract: A spring assembly adapted for long-term installation in a limited space, in a minimum-stress condition. When thrust is desired, the assembly is activated by adjusting the position of some components, resulting in a tendency for it to expand in a predetermined direction.
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: February 16, 1982
    Inventor: Daniel D. Musgrave
  • Patent number: 4291483
    Abstract: A cartridge receptacle adapted to facilitate the filling of a cartridge magazine, by hand. To permit efficient manipulation during the filling operation, the receptacle can be affixed to the magazine, whereby both can be held in one hand. The other hand is thus free to insert the cartridges into the magazine. The receptacle can be adapted for use with various cartridges, various cartridge clips, and various magazines. The receptacle can also be used with loose cartridges.
    Type: Grant
    Filed: January 2, 1980
    Date of Patent: September 29, 1981
    Inventor: Daniel D. Musgrave
  • Patent number: 4291480
    Abstract: Interacting leaf springs which can be assembled in a minimum space while in a relaxed condition. When the assembled springs are to exert thrust, some leaves are moved relative to others so as to cause mutual interference which tends to expand the assembly in a predetermined direction. One suggested use for this invention is in cartridge magazines for firearms.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: September 29, 1981
    Inventor: Daniel D. Musgrave
  • Patent number: 4258495
    Abstract: Springs adapted for long-term installation in a limited space, in a minimum-stress condition. When thrust is desired, the springs are stressed by adjusting the position of some components, resulting in a tendency to expand.
    Type: Grant
    Filed: January 15, 1979
    Date of Patent: March 31, 1981
    Inventor: Daniel D. Musgrave
  • Patent number: 4252302
    Abstract: A spring assembly adapted for long-term installation in a limited space, in a minimum-stress condition. When thrust is desired, the assembly is activated by adjusting the position of some components, resulting in a tendency for the assembly to expand.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: February 24, 1981
    Inventor: Daniel D. Musgrave
  • Patent number: 4236338
    Abstract: Apparatus for adjusting the stress in cartridge magazine springs which are arranged for such adjustment. The magazines are stored with the springs in a non-stressed condition. When use of the magazine is imminent, the springs are adjusted to a stressed condition. Disclosed hereinafter is power-driven and hand-operated apparatus to accomplish the adjustment. The apparatus may be mounted on a firearm, a magazine carrying rack, a vehicle, a boat, an aircraft, or any other suitable base.
    Type: Grant
    Filed: February 27, 1979
    Date of Patent: December 2, 1980
    Inventor: Daniel D. Musgrave
  • Patent number: 4219953
    Abstract: Sonic devices to indicate that no cartridges are present in a magazine, or that at least one cartridge is present.
    Type: Grant
    Filed: March 2, 1979
    Date of Patent: September 2, 1980
    Inventor: Daniel D. Musgrave
  • Patent number: 4216601
    Abstract: A process for indicating to a user the status of the supply of cartridges in a magazine. A sonic indicator is used to signal that the magazine is empty; or that it contains one cartridge; or that it is full.
    Type: Grant
    Filed: October 19, 1978
    Date of Patent: August 12, 1980
    Inventor: Daniel D. Musgrave
  • Patent number: 4205474
    Abstract: A spring adapted for long-term installation in a limited space, in a minimum-stress condition. When thrust is desired, the spring is activated by adjusting the position of some components, resulting in a tendency for the spring to expand.
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: June 3, 1980
    Inventor: Daniel D. Musgrave
  • Patent number: 4142313
    Abstract: Indicators for cartridge magazines to inform the user if a magazine is empty; if it contains one cartridge; or if it is full. Acoustic means are disclosed by which the condition of the magazine can be determined. Also disclosed is a full-magazine indicator comprising a magazine floor which can be appreciably deformed by means within the magazine, when the magazine is full.
    Type: Grant
    Filed: May 18, 1978
    Date of Patent: March 6, 1979
    Inventor: Daniel D. Musgrave
  • Patent number: 4138044
    Abstract: A holster arranged to expedite charging a pistol of the type charged by relative motions between a slide and a frame. The pistol can be inserted into the holster in two different orientations. In one of the said orientations it can be inserted uncharged. By partly withdrawing it from the holster it can be rotated to the second orientation. If it is then pushed into the holster, the slide engages against an abutment thus causing the first charging stroke. Withdrawal of the pistol from the holster then allows the recoil spring in the pistol to accomplish the second charging stroke. This abstract is prepared to facilitate searching and it is not intended to constitute a limitation on the invention.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: February 6, 1979
    Inventor: Daniel D. Musgrave
  • Patent number: 4115944
    Abstract: Improvements in ballistic cutters used at the muzzle of a firearm for cutting obstacle, or other material. An arrangement is shown whereby a cutter is useable with more than one model of firearm. Improved means are disclosed for engaging a strand to be cut. The use of color on the engagement members is disclosed as an aid to engaging the obstacle.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: September 26, 1978
    Inventor: Daniel D. Musgrave
  • Patent number: 4115943
    Abstract: A holder for carrying one or more magazines in a convenient position for insertion into a firearm. The holder can be attached to existing firearms, or it can be manufactured as a part of new firearms. It includes quick-release means to permit the user to transfer a magazine to the firing position with one hand, while keeping the other hand on the firing grip of the firearm.
    Type: Grant
    Filed: May 31, 1977
    Date of Patent: September 26, 1978
    Inventor: Daniel D. Musgrave