Patents by Inventor Raymond K. Saar

Raymond K. Saar 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).

  • Background unfurling apparatus and method
    Patent number: 5799213
    Abstract: A background support system for use in a photographic studio includes a single-roller assembly upon which a number of backgrounds are mounted and from which any specific background is rapidly selected for display.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: August 25, 1998
    Inventor: Raymond K. Saar
  • Tennis racquet sounding device
    Patent number: 4090707
    Abstract: A sounding device for attachment to the strings of a tennis racket which provides a unique audible sound which indicates where on the tennis racket the ball is struck by the racket. The device includes a frame for clamping a thin plastic diaphragm against the surface of the strings in the central region of the racket. The frame includes a sounding board which extends parallel to the diaphragm for amplifying the sound produced by the diaphragm when the adjacent strings are struck by the tennis ball.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: May 23, 1978
    Inventor: Raymond K. Saar