Patents by Inventor Richard R. Kramer

Richard R. Kramer 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).

  • Adjustable muzzle compensator
    Patent number: 3971285
    Abstract: A compensator adapted to be mounted to a muzzle having a resilient arm for ocking a gas diverter in a first and second radial position to compensate for normal muzzle climb for right and left handed use, respectively.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: July 27, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Paul H. Ellis, Richard R. Kramer