Patents by Inventor Frank E. Boyko

Frank E. Boyko 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).

  • Patent number: 3998202
    Abstract: A bowstring pulling and release device comprises a one-piece, T-shaped body including a handle portion forming the crossbar of the T-shaped body and a leg portion extending outwardly from the handle portion and terminating in an outer free end portion. A bowstring receiving notch is formed in the free end portion and a transverse slot is formed in the free end portion normal to the bowstring receiving notch. A lock is pivotally mounted in the transverse slot for releasably locking the bowstring in the notch. An enlarged bore extends longitudinally through the leg portion from the transverse slot into the handle portion, and a reduced bore extends from the enlarged bore through the handle portion. A latch pin is slidably mounted in the enlarged bore and is spring biased outwardly into the transverse slot. The latch pin has a latch detent at its end which extends outwardly into the transverse slot and a longitudinal extension at its other end which extends through the reduced bore.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: December 21, 1976
    Inventor: Frank E. Boyko