Patents by Inventor James V. Collier

James V. Collier 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).

  • Semi-automatic firearm having a safety device preventing conversion to full automatic firing
    Patent number: 5183959
    Abstract: An anti-conversion block for use with a semi-automatic firearm and a method of manufacturing a semi-automatic firearm. The anti-conversion block prevents the conversion of the firearm into a fully automatic firearm. The block is fixedly mounted in the lower receiver of the firearm with pins press fit through the lower receiver into blind holes in the block. The block has a first section for preventing operational installation of a trigger other than a predetermined type of trigger into the firearm, a second section for preventing operational installation of a hammer other than a predetermined type of hammer into the firearm, and a third section for preventing operational installation of a bolt assembly other than a predetermined type of bolt assembly into the firearm.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: February 2, 1993
    Assignee: Colt's Manufacturing Company Inc.
    Inventors: Horace C. McCoan, James V. Collier