Patents by Inventor Sean R. Zelka

Sean R. Zelka 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: 5374919
    Abstract: A method and apparatus are provided for carrying and accessing multiple safety devices, wherein the removal of one safety device simultaneously activates a second safety device. The method includes removing a chemical spray canister secured to a pack body, wherein an activation cord pulls an alarm pin thereby activating an audible alarm. The apparatus includes a spray canister and an audible alarm attached to a pack body, the canister and alarm being concealed by a cover. The cover is attached to the pack body with multiple slide fasteners. The cover has attached thereto a rip cord, so that when the rip cord is pulled by the user, the cover is partially or completely removed to expose the spray canister and the alarm; the spray canister and the alarm are interconnected by a cord so that removal of the spray canister simultaneously activates the audible alarm.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: December 20, 1994
    Inventors: Sean R. Zelka, David A. Chavez