Patents by Inventor Gary Edlund

Gary Edlund 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).

  • Alerting mechanism for a whistle
    Patent number: 5515808
    Abstract: An alerting mechanism integrated with a hand-held whistle utilizing a structural member having a first and a second surface. The structural member is secured to the whistle or a cavity found in the whistle structure, to permit the structural member to rotate and be held between a first and a second position. The first position exposes the first surface of the structural member while the second position exposes the second surface of the structural member. Coloration or other marking may be employed on the first surface to visually distinguish the first surface from the second surface.
    Type: Grant
    Filed: July 7, 1994
    Date of Patent: May 14, 1996
    Inventor: Gary Edlund