Patents by Inventor Greg Ratajski

Greg Ratajski 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).

  • Method and system for peer-to-peer wireless communication over unlicensed communication spectrum
    Patent number: 7342895
    Abstract: The present invention provides a method and system for peer-to-peer wireless communication over an unlicensed communication spectrum without routing or relaying of messages. Low-cost wireless communication is made possible by providing direct, peer-to-peer wireless communication without a need for extensive infrastructure as well as by utilizing unlicensed communication spectrums. Communication utility is afforded by enabling wireless communication over a medium-range distance, and by implementing a collision avoidance protocol.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: March 11, 2008
    Inventors: Mark Serpa, Hani Alhemsi, Greg Ratajski, Bob Ashlock
  • Method and system for peer-to-peer wireless communication over unlicensed communication spectrum
    Publication number: 20050169219
    Abstract: The present invention provides a method and system for peer-to-peer wireless communication over an unlicensed communication spectrum without routing or relaying of messages. Low-cost wireless communication is made possible by providing direct, peer-to-peer wireless communication without a need for extensive infrastructure as well as by utilizing unlicensed communication spectrums. Communication utility is afforded by enabling wireless communication over a medium-range distance, and by implementing a collision avoidance protocol.
    Type: Application
    Filed: January 30, 2004
    Publication date: August 4, 2005
    Inventors: Mark Serpa, Hani Alhemsi, Greg Ratajski, Bob Ashlock