Patents by Inventor Lawrence H. Wigger

Lawrence H. Wigger 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).

  • Apparatus and method for signaling unsafe handling and optimum firing of a shoulder weapon
    Patent number: 4375135
    Abstract: An apparatus and method of signaling unsafe handling and optimum firing of a shoulder weapon by monitoring the attitude of the weapon. The method includes attaching to the weapon the apparatus which intermittently emits an audible signal when the weapon reaches a predetermined angular position with respect to a horizontal plane; moving the weapon to at least the predetermined angular position in order to activate the audible signal; and determining whether or not the moving step was intentional or unintentional.
    Type: Grant
    Filed: March 4, 1981
    Date of Patent: March 1, 1983
    Inventor: Lawrence H. Wigger