Patents by Inventor Earl Hoyt

Earl Hoyt 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: D262137
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: December 1, 1981
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D262312
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: December 15, 1981
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D270468
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: September 6, 1983
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D274981
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: August 7, 1984
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D275222
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: August 21, 1984
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D275735
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: October 2, 1984
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D277910
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: March 12, 1985
    Inventor: Earl Hoyt
  • Patent number: D286674
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 11, 1986
    Assignee: Earl Hoyt
    Inventor: Earl Hoyt
  • Patent number: D286675
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: November 11, 1986
    Assignee: Earl Hoyt
    Inventor: Earl Hoyt
  • Patent number: D288003
    Type: Grant
    Filed: October 25, 1984
    Date of Patent: January 27, 1987
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D292382
    Type: Grant
    Filed: March 13, 1985
    Date of Patent: October 20, 1987
    Assignee: Quantum Logic Corporation
    Inventor: Earl Hoyt
  • Patent number: D292488
    Type: Grant
    Filed: January 15, 1985
    Date of Patent: October 27, 1987
    Assignee: Block Drug Co., Inc.
    Inventor: Earl Hoyt
  • Patent number: D294637
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: March 8, 1988
    Assignee: Airwick Industries, Inc.
    Inventors: Earl Hoyt, Manharbhai K. Patel
  • Patent number: D300478
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: March 28, 1989
    Assignee: Airwick Industries, Inc.
    Inventor: Earl Hoyt
  • Patent number: D308408
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: June 5, 1990
    Assignee: Airwick Industries, Inc.
    Inventors: Earl Hoyt, Manharbhai K. Patel
  • Patent number: D308409
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: June 5, 1990
    Assignee: Airwick Industries, Inc.
    Inventors: Earl Hoyt, Manharbhai K. Patel
  • Patent number: D308480
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: June 12, 1990
    Assignee: Reckitt & Colman Inc.
    Inventor: Earl Hoyt
  • Patent number: D308825
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: June 26, 1990
    Assignee: Reckitt & Colman Inc.
    Inventor: Earl Hoyt
  • Patent number: D310961
    Type: Grant
    Filed: March 9, 1987
    Date of Patent: October 2, 1990
    Assignee: Reckitt & Colman Inc.
    Inventor: Earl Hoyt
  • Patent number: D316518
    Type: Grant
    Filed: June 29, 1989
    Date of Patent: April 30, 1991
    Assignee: Reckitt & Colman Products Limited
    Inventor: Earl Hoyt