Patents by Inventor Dirk E. Vander Hout

Dirk E. Vander Hout 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: D288600
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: March 3, 1987
    Assignee: Lab-Line Instruments, Inc.
    Inventors: Dirk E. Vander Hout, Raymond A. Dufour
  • Patent number: D309013
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: July 3, 1990
    Inventor: Dirk E. Vander Hout