Patents by Inventor Donald F. Robinson

Donald F. Robinson 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).

  • Publication number: 20080287733
    Abstract: An apparatus for sexual stimulation in a safe and convenient manner is disclosed. The present invention provides for the in-out motion of an attachment that simulates a penis. The present invention also provides for a vibration mechanism to vibrate the attachment during use. The stroke rate is adjustable by the user. Furthermore, the vibration frequency, and stroke depth are also adjustable by the user during use. The present invention makes use of a mechanical articulating joint, generically known as a spherical rod end or Heim joint for the mounting of an attachment.
    Type: Application
    Filed: May 14, 2007
    Publication date: November 20, 2008
    Inventor: Donald F. Robinson
  • Patent number: 6749087
    Abstract: The present invention is a tube clip for securing the coiled/rolled up end of tubes such as toothpaste, salves, ointments and the likes, thus eliminating the possibility of the tube unrolling and keeping the manufacturers product continually at the ready.
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: June 15, 2004
    Inventor: Donald F. Robinson
  • Patent number: 5228570
    Abstract: Apparatus for holding and selectively releasing a plurality of wrench sockets of the type having a drive opening therein includes an elongated rack having a pair of slots open on outer faces thereof and in communication with an internal, longitudinally extending recess having a width greater than the width of the slots and a plurality of retainer assemblies mounted in spaced relation along the length of said recess. Each retainer assembly includes a support post projecting outwardly of one face of the rack through an adjacent slot therein for engagement within the opening of a wrench socket placed on the post. A releasable detent is provided on each post for detaining engagement with a wrench element placed on the post, and a release button, accessible through the slot on an opposite face of the rack is provided for manual, quick releasing of the detent to permit easy withdrawal of the wrench socket from the post.
    Type: Grant
    Filed: May 11, 1992
    Date of Patent: July 20, 1993
    Assignee: Donald F. Robinson
    Inventor: Donald F. Robinson
  • Patent number: 4973074
    Abstract: A frame extension system for adapting male and/or female bicycles to support a child seated within a child carrier seat in a position in front of the rider, behind the handle bars, in order to maximize child safety and to maintain the center of gravity between the front and rear wheels.
    Type: Grant
    Filed: March 22, 1989
    Date of Patent: November 27, 1990
    Assignee: Donald F. Robinson
    Inventor: Donald F. Robinson