Patents by Inventor Dilipkumar B. Patel

Dilipkumar B. Patel 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: 4224482
    Abstract: A mobile microphone-transmitter assembly is disclosed which comprises a microphone, a plurality of infrared light emitting devices, electrical apparatus connected between the microphone and the devices to energize the devices in response to inputs to the microphone and a mechanical structure for supporting the devices to produce a substantially omnidirectional, horizontal radiation pattern when the structure is worn by a user and the devices are energized.
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: September 23, 1980
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Gregory Lese, Charles F. Liebler, Dilipkumar B. Patel
  • Patent number: D257978
    Type: Grant
    Filed: July 31, 1978
    Date of Patent: January 20, 1981
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Edward W. Festa, Donald M. Genaro, Dilipkumar B. Patel, Gordon E. Sylvester
  • Patent number: D262286
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: December 15, 1981
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Ronald W. Austin, Donald M. Genaro, Charles F. Liebler, Dilipkumar B. Patel, Gordon E. Sylvester