Patents by Inventor Mitchell E. Pietraszek

Mitchell E. Pietraszek 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: 4676220
    Abstract: An arrow rest assembly for attachment to an archer's bow having a support plate. Mounted near one end of the support plate is a bowed flat spring. A magnetic rest pin is pivotally mounted to the plate for movement between an operative rest position wherein a tail section of the pin is magnetically attracted against a permanent magnet mounted to the plate and a retracted, inoperative position wherein the tail section is displaced a short distance from the magnet.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: June 30, 1987
    Inventor: Mitchell E. Pietraszek
  • Patent number: 4548189
    Abstract: An arrow rest has an L-shaped bracket for mounting the arrow rest to a bow. A ferromagnetic wire rest member is pivotalably attached to the bracket and is biased into the operative rest position. A permanent magnet permits the rest pin to be deflected from the operative position by the fletches of an arrow passing across the rest pin.
    Type: Grant
    Filed: September 21, 1982
    Date of Patent: October 22, 1985
    Inventors: Mitchell E. Pietraszek, Myron J. Rutledge