Patents by Inventor Gregory P. Larson

Gregory P. Larson 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).

  • Font cartridge extender with spring hook latch
    Patent number: 5193052
    Abstract: A font cartridge extrender into which a commerically available font cartridge can be plugged and which plugs into the font cartridge receptacle of a computer printer. The extender includes a novel latching mechnism which attaches the font cartridge to the extender so that the assembly can be conveniently plugged into, and unplugged from, the printer as a unit. The font cartridge is secured to the extender by a spring hook mechanism, which resides in a chute molded into the inside of the top portion of the casing of the extender. The spring hook mechanism is supported in the chute by braces and a pin molded inside the case which is inserted through an aperture in the spring hook mechanism. The spring hook mechanism is actuated by finger pressure on a contact surface.
    Type: Grant
    Filed: November 7, 1991
    Date of Patent: March 9, 1993
    Assignee: Advanced Matrix Technology, Inc.
    Inventors: Gregory P. Larson, Frank Wilkinson