Patents by Inventor David D. Gray

David D. Gray 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).

  • Archery bow support
    Patent number: 9638488
    Abstract: An archery bow support has adjustable or movable jaws and adjustable legs to a permit a releasable attachment to a plurality of different types of bows for positioning the bow during a downtime or brief period of non use during a period of heavy use for the bow, to assist the archer with a rest period.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 2, 2017
    Assignee: Du-Bro Products, Inc.
    Inventors: James E. Broberg, David D. Gray
  • Fueling valve for fueling a remote control vehicle
    Patent number: 8240335
    Abstract: A fueling valve for fueling a remote or radio-controlled vehicle or removing fuel therefrom has a sliding member in a cylinder to permit fuel to placed or removed from a vehicle as desired. Such a fueling valve greatly simplifies the transportation of the vehicle.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: August 14, 2012
    Assignee: Du-Bro Products, Inc.
    Inventors: James E. Broberg, Edward P. Bojan, David D. Gray, Stephen J. Wildkatsch