Patents by Inventor David H. Timmerman

David H. Timmerman 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).

  • Housing for free-standing file cabinet
    Patent number: 6877831
    Abstract: A lateral file having a cabinet structure which provides improved rigidity against racking, including an improved base associated with a hollow boxlike housing. The base is preferably defined as a closed hollow box which extends across the bottom of the housing. The closed hollow box additionally has wall structure which defines closed tubelike channels extending lengthwise along opposite edges thereof.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: April 12, 2005
    Assignee: Haworth, Inc.
    Inventors: David H. Timmerman, Joanna C. De Weerd, Chad Potinsky, William L. Cleair, Eric Hill
  • Housing for free-standing file cabinet
    Publication number: 20040119389
    Abstract: A lateral file having a cabinet structure which provides improved rigidity against racking, including an improved base associated with a hollow boxlike housing. The base is preferably defined as a closed hollow box which extends across the bottom of the housing. The closed hollow box additionally has wall structure which defines closed tubelike channels extending lengthwise along opposite edges thereof.
    Type: Application
    Filed: December 23, 2002
    Publication date: June 24, 2004
    Inventors: David H. Timmerman, Joanna C. De Weerd, Chad Potinsky, William L. Cleair, Eric Hill