Patents by Inventor Richard Gryzbowski

Richard Gryzbowski 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).

  • Multi-purpose sensor and data link
    Patent number: 6651028
    Abstract: Modulating digital data onto a carrier frequency and then amplitude modulating the result with a waveform of a different frequency permits measuring position and velocity of an elevator cab while transmitting digital data to the cab.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: November 18, 2003
    Assignee: Otis Elevator Company
    Inventors: Lester H. Kosowsky, Richard Gryzbowski
  • Multi-purpose sensor and data link
    Publication number: 20030115015
    Abstract: Modulating digital data onto a carrier frequency and then amplitude modulating the result with a waveform of a different frequency permits measuring position and velocity of an elevator cab while transmitting digital data to the cab.
    Type: Application
    Filed: December 13, 2001
    Publication date: June 19, 2003
    Applicant: Otis Elevator Company
    Inventors: Lester H. Kosowsky, Richard Gryzbowski