Patents by Inventor Danny A. Petaja

Danny A. Petaja 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: 4279433
    Abstract: A beacon device locates ski equipment such as skis and ski poles which has been separated from a skier. The device includes a signaling device such as a strobe light mounted in or to the equipment which is activated by a trigger mechanism operative to sense the separation of the ski equipment from the skier. Various alternative trigger mechanisms are provided including optically actuated, mechanically actuated and magnetically actuated devices. A strobe light reflector is provided which always directs light upward. The beacon device is particularly useful in locating ski equipment buried in powder snow.
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: July 21, 1981
    Inventor: Danny A. Petaja