Patents by Inventor Stefan Oros

Stefan Oros 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).

  • Wireless alarm system
    Patent number: 4157540
    Abstract: The wireless alarm system comprises a portable wireless transmitter assembly adapted to be concealed on the person, a radio receiver and signal decoder for receiving a coded wireless signal transmitted by the radio transmitter, an adjustable timer and signal relay means for relaying the wireless alarm signal received by the radio receiver on to personnel alerting means a predetermined period of time after the wireless alarm signal is received by the radio receiver, and personnel alerting means activated by the alarm signal received from the adjustable timer and signal relay means.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: June 5, 1979
    Assignee: Anatronics Corporation
    Inventor: Stefan Oros