Patents by Inventor Tom E. Workman

Tom E. Workman 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: 6312026
    Abstract: A door knob assembly (10) attachable to a door (24), the door knob assembly (10) having an inner door knob (12I) having an inner door knob threaded opening (12IA) positioned on an inner door (24I). The door knob assembly (10) further comprises a door latch (20) positioned within a door side (24S). The door latch (20) further has a door latch engager (20B) which has a door latch engager cylinder (20BA) containing a door latch engager member biasing means (20BCA) positioned against a door latch engager member (20BC). The door latch engager member (20BC) frictionally engages a door plate (24A). An upper fastener (22U) is positioned through the door latch engager plate upper opening (20BBU) and the door latch upper housing lip opening (20AUAA) and securely attached to the door side (24S).
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: November 6, 2001
    Inventor: Tom E. Workman
  • Patent number: 5222736
    Abstract: A game board supplied with removable indicia for altering the configuration of the game board to facilitate the playing of multiple games. A sloped surface for rolling a ball is disposed between an outer annulus having a top face and a circular disk concentric therewith having a top face and a scalloped vertical wall for receiving the ball, wherein the top faces of the annulus and the disk receive the removable indicia.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: June 29, 1993
    Assignee: Tom E. Workman
    Inventors: Tom E. Workman, Sidney V. Bryan
  • Patent number: D323358
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: January 21, 1992
    Inventor: Tom E. Workman
  • Patent number: D364195
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: November 14, 1995
    Inventors: Tom E. Workman, Sidney V. Bryan