Patents by Inventor Alvin H. Sweet

Alvin H. Sweet 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: 4148483
    Abstract: Handleless hand racket formed of three molded plastic parts joined together into assembly formed of (A) channel-shape backing support of a little larger size than the human palm, (B) opposing pair of edge bows, cross linked by longitudinal series of resilient or repellent integral strings, the bows being attached to respective raised edges of the backing support so as to hold the channel-overlying strings under tension, and (C) bulbous hand knob shaped for grasping by a player's clenched fingers with the end of the knob held against the palm, or alternately with straight fingers extended along opposite sides of the knob.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: April 10, 1979
    Inventors: Alvin H. Sweet, Don A. Sweet
  • Patent number: D245443
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: August 16, 1977
    Inventor: Alvin H. Sweet