Patents by Inventor David H. Pinkley

David H. Pinkley 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 pull measuring device for and method of improving trigger pull technique
    Patent number: 4913655
    Abstract: A trigger pull measuring device adapted for connection to the trigger mechanism of a weapon for measuring the trigger pull of the weapon in order to improve trigger pull technique, comprising a variable resistor having a sliding contact for varying the resistance of the resistor, connected to a voltage source, and a linkage for connecting the sliding contact of the variable resistor to the trigger mechanism of the weapon so that movement of the trigger moves the sliding contact of the resistor. The device further comprises a battery for applying a voltage across the variable resistor and a chart recorder for measuring and displaying the resistance across the variable portion of the variable resistor to measure the position of the trigger.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: April 3, 1990
    Inventors: David H. Pinkley, George H. Falterman