Patents by Inventor Richard A. Hagle

Richard A. Hagle 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).

  • Trigger safety status signaling device
    Patent number: 4719713
    Abstract: A firearm trigger safety status signaling device includes electrically energizable audio and light signals that are mounted to a component of the trigger mechanism itself for actuation in response to movements of the trigger safety.
    Type: Grant
    Filed: February 2, 1987
    Date of Patent: January 19, 1988
    Inventor: Richard A. Hagle