Patents by Inventor Richard Douglas Osborn

Richard Douglas Osborn 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).

  • Hammer extension for a muzzle loading firearm
    Patent number: 11306988
    Abstract: A hammer extension design for use with various firearms, including specifically muzzle-loading firearms, that makes operating the hammer easier, faster, and safer. The present invention discloses a muzzle-loading firearm which includes a stock, a barrel fastened to said stock, a pivot mounted to said stock, a trigger and hammer mechanism comprising of a hammer and a lever arm both secured to said pivot.
    Type: Grant
    Filed: February 21, 2021
    Date of Patent: April 19, 2022
    Inventor: Richard Douglas Osborn