Patents by Inventor Charles F. Liebler

Charles F. Liebler 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).

  • Mobile microphone-transmitter assembly
    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
  • Enclosure for a mobile microphone-transmitter assembly
    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
  • Telephone set or similar article
    Patent number: D294496
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: March 1, 1988
    Assignee: American Telephone & Telegraph Company, AT&T Information Systems Inc.
    Inventors: Golub Drakulovic, Charles F. Liebler, Larry Sliker, Thomas L. Stahly, Donald E. Still, Gordon E. Sylvester
  • Telephone handset
    Patent number: D294500
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: March 1, 1988
    Assignee: American Telephone & Telegraph Company, AT&T Information Systems Inc.
    Inventors: Golub Drakulovic, Charles F. Liebler, Larry Sliker, Thomas L. Stahly, Donald E. Still, Gordon E. Sylvester
  • Telephone stand
    Patent number: D301143
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: May 16, 1989
    Assignees: American Telephone and Telegraph, AT&T Information Systems Inc.
    Inventors: William V. Jackwicz, Sompoppol Jampathom, Richard M. Joffe, Charles F. Liebler
  • Telephone stand
    Patent number: D301144
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: May 16, 1989
    Assignees: American Telephone and Telegraph Company, AT&T Information Systems Inc.
    Inventors: William V. Jackwicz, Sompoppol Jampathom, Richard M. Joffe, Charles F. Liebler
  • Telephone handset
    Patent number: D301146
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: May 16, 1989
    Assignees: American Telephone and Telegraph Company, Inc., AT&T Information Systems
    Inventors: William V. Jackwicz, Sompoppol Jampathom, Richard M. Joffe, Charles F. Liebler
  • Telephone handset or similar article
    Patent number: D332610
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: January 19, 1993
    Assignee: AT&T Bell Laboratories
    Inventors: Sonia Alim, Richard M. Joffe, Charles F. Liebler, John N. McGarvey, Joseph J. Rizzo