Patents by Inventor L. P. Thompson, Jr.

L. P. Thompson, Jr. 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).

  • Firearm with detachable barrel
    Patent number: 4920679
    Abstract: A firearm has a removal barrel assembled by rotably threading the barrel onto the barrel extension until a blocking surface on the barrel abuts a resistance surfacee on the extension to inhibit further rotation.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: May 1, 1990
    Inventors: J. Stephen Sarles, L. P. Thompson, Jr.