Patents by Inventor Don A. Sweet

Don A. 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: 4770251
    Abstract: In accordance with the present invention there is provided an escutcheon assembly which includes a skirt member adjustably carried by a drop line cover for adjustment of the skirt member against the ceiling panel. The drop line cover comprises an open-ended cylinder which defines a pair of articulated members which are movable with respect to each other between an open and a closed position for placement or removal of the drop line cover from a drop line without interrupting the integrity of the system.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: September 13, 1988
    Inventor: Don A. Sweet
  • 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