Patents by Inventor David Dennison

David Dennison 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).

  • Illuminated door lock scratch guard
    Patent number: 4745527
    Abstract: An illuminated door lock scratch guard formed of a base plate having an aperture. The base plate is mounted onto the door with the aperture in registration with the door lock. An illumination circuit is provided within the base plate, and upon pressure onto the base plate, the illumination circuit casts a light onto the door lock.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: May 17, 1988
    Assignee: Allison Corporation
    Inventors: Joseph L. Belverio, Jr., David Dennison, Gregory Ball
  • Fist air freshener
    Patent number: D358462
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: May 16, 1995
    Assignee: Allison Corporation
    Inventors: Carol Ball, David Dennison, Greg Ball
  • Car accessories
    Patent number: D400422
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: November 3, 1998
    Assignee: Allison Corporation
    Inventors: David Dennison, Greg Ball
  • Car accessory
    Patent number: D408350
    Type: Grant
    Filed: January 7, 1997
    Date of Patent: April 20, 1999
    Assignee: Allison Corporation
    Inventors: Greg Ball, David Dennison
  • Automobile accessory
    Patent number: D426137
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: June 6, 2000
    Assignee: Allison Corporation
    Inventors: Gregg Ball, David Dennison
  • Car accessory
    Patent number: D429683
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: August 22, 2000
    Assignee: Allison Corporation
    Inventors: Greg Ball, David Dennison
  • Car accessory
    Patent number: D435008
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: December 12, 2000
    Assignee: Allison Corporation
    Inventors: Greg Ball, David Dennison