Patents by Inventor Guy E. A. Desbarats

Guy E. A. Desbarats 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).

  • Telephone handset
    Patent number: D307272
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: April 17, 1990
    Assignee: British Telecommunications public limited company
    Inventor: Guy E. Desbarats
  • Telephone base unit
    Patent number: D307276
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: April 17, 1990
    Assignee: British Telecommunications Public Limited Company
    Inventor: Guy E. A. Desbarats
  • Telephone charging unit
    Patent number: D307277
    Type: Grant
    Filed: April 27, 1989
    Date of Patent: April 17, 1990
    Assignee: British Telecommunications Public Limited Company
    Inventor: Guy E. A. Desbarats
  • Telephone base unit
    Patent number: D307430
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: April 24, 1990
    Assignee: British Telecommunications public limited company
    Inventor: Guy E. Desbarats
  • Telephone handset
    Patent number: D339131
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: September 7, 1993
    Assignee: British Telecommunications plc
    Inventor: Guy E. Desbarats
  • Telephone base
    Patent number: D340053
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: October 5, 1993
    Assignee: British Telecommunications public limited company
    Inventor: Guy E. Desbarats
  • Telephone base
    Patent number: D340715
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: October 26, 1993
    Assignee: British Telecommunications public limited company
    Inventor: Guy E. Desbarats
  • Videophone base
    Patent number: D342247
    Type: Grant
    Filed: April 28, 1992
    Date of Patent: December 14, 1993
    Assignee: British Telecommunications plc
    Inventor: Guy E. Desbarats
  • Telephone base
    Patent number: D344083
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: February 8, 1994
    Assignee: British Telecommunications plc
    Inventor: Guy E. DesBarats
  • Telephone handset
    Patent number: D344272
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: February 15, 1994
    Assignee: British Telecommunications plc
    Inventor: Guy E. Desbarats
  • Telephone handset
    Patent number: D354061
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: January 3, 1995
    Assignee: British Telecommunications plc
    Inventor: Guy E. Desbarats