Patents by Inventor Lawrence R. Williams

Lawrence R. Williams 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).

  • PORTABLE TARGET
    Publication number: 20200025532
    Abstract: A portable shooting target. The portable target assembles on site from flat pieces that are anchored in place. The portable target includes a back target plate inclined downward to direct gunfire typically into the ground in front of the portable target.
    Type: Application
    Filed: July 18, 2019
    Publication date: January 23, 2020
    Inventor: LAWRENCE R. WILLIAMS
  • Cartridge loader
    Patent number: 6817133
    Abstract: A cartridge loader for loading rimmed cartridges into the magazine of a rifle. The loader has a tube with an exterior slide. The slide is coupled to a pusher within the tube which when manually advanced will deliver cartridges to the end of the tube and through the loading port of a firearm when the loader is positioned against the firearm receiver. The front end of the loader is configured to maintain the loading port gate open during the loading operation. The loader will accommodate a range of cartridge calibers.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: November 16, 2004
    Inventor: Lawrence R. Williams
  • Reloader for loading cartridges into a magazine
    Patent number: 6178683
    Abstract: A reloader for a magazine having a generally L-shaped grip with a plurality of pairs of bores in the opposite end walls. The pairs of bores are selectively spaced so as to removably receive the pins on a plunger assembly. The magazine to be reloaded is held against the interior of the grip and the plunger may be manually depressed to depress the follower in the magazine allowing the user to insert cartridges with his or her free hand.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: January 30, 2001
    Inventor: Lawrence R. Williams
  • Method for treating Alzheimer's disease using glial line-derived neurotrophic factor (GDNF) protein product
    Patent number: 5731284
    Abstract: The present invention relates generally to methods for treating injury or degeneration of basal forebrain cholinergic neurons by administering glial cell line-derived neurotrophic factor (GDNF). The invention relates specifically to methods for treating Alzheimer's disease.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: March 24, 1998
    Assignee: Amgen Inc.
    Inventor: Lawrence R. Williams