Patents by Inventor David G. Larson

David G. Larson 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).

  • Cover assembly
    Patent number: 4021131
    Abstract: A cover assembly for enclosing a utility unit having a housing forming a chamber and having an open bottom. The chamber is of a size to accommodate the utility unit. An articulated connecting structure having two hinges secures the housing to a support, as a base or the ground. The articulated connecting structure permits the housing to be moved from a closed position to an open position to provide access to the utility unit. The housing rests on an annular base supported on the ground. A releasable lock can be provided to hold the housing in a closed position in engagement with the base.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: May 3, 1977
    Inventors: Kenneth W. Bakken, David G. Larson
  • Extendable vehicle sun visor
    Patent number: D405746
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: February 16, 1999
    Inventor: David G. Larson