Patents by Inventor Willard E. Shuman

Willard E. Shuman 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).

  • Phosphorescent doorknob locator ring
    Patent number: 6461012
    Abstract: A phosphorescent ring for providing a visual reference cue towards a doorknob or similar opening hardware. The ring may be attached around the doorknob with adhesive, or it may be hung on the doorknob. In the preferred embodiment, the ring is hung on the doorknob, allowing the ring to be used on a motel room door or other location where the room occupant is unfamiliar with the room layout and exit door location.
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: October 8, 2002
    Inventor: Willard E. Shuman
  • Insulated beverage holder
    Patent number: D442833
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: May 29, 2001
    Inventor: Willard E. Shuman
  • Beverage coaster
    Patent number: D428776
    Type: Grant
    Filed: November 4, 1999
    Date of Patent: August 1, 2000
    Inventor: Willard E. Shuman