Patents by Inventor Grant M. N. Davidson

Grant M. N. Davidson 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).

  • Clock radio receiver
    Patent number: D273785
    Type: Grant
    Filed: January 18, 1982
    Date of Patent: May 8, 1984
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Loudspeaker panel
    Patent number: D283125
    Type: Grant
    Filed: December 15, 1983
    Date of Patent: March 25, 1986
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Portable radio receiver
    Patent number: D292800
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: November 17, 1987
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Clock radio receiver
    Patent number: D301580
    Type: Grant
    Filed: February 4, 1986
    Date of Patent: June 13, 1989
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Combined car radio and cassette player
    Patent number: D305760
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: January 30, 1990
    Assignee: U.S. Philips Corp.
    Inventor: Grant M. N. Davidson
  • Remote control for a car radio receiver
    Patent number: D308060
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: May 22, 1990
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Combined car radio and cassette player
    Patent number: D314380
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: February 5, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Car radio receiver
    Patent number: D314961
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: February 26, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Speaker grille
    Patent number: D317768
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: June 25, 1991
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson
  • Speaker grille
    Patent number: D323327
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: January 21, 1992
    Assignee: U.S. Philips Corporation
    Inventor: Grant M. N. Davidson