Patents by Inventor Peter F. Wegrzyn

Peter F. Wegrzyn 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: 5676052
    Abstract: An apparatus and method for tensioning a screen on a roller frame are disclosed. The apparatus includes a fixture having a plurality of clamp mechanisms for releasably securing the frame to define a screen tensioning plane, and at least one double-headed wrench for applying torque to the frame rollers adjacent opposite ends thereof. Each torque wrench includes a lever arm which is operable by torso engagement, thereby freeing a user's hands for manually unlocking and locking a selected roller for rotation.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: October 14, 1997
    Inventors: Peter F. Wegrzyn, Matthew D. Murphy