Patents by Inventor David A. Towndrow

David A. Towndrow 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: D339463
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: September 21, 1993
    Assignee: Brown Group, Inc.
    Inventors: Robert M. Dyer, David A. Towndrow
  • Patent number: D340127
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: October 12, 1993
    Assignee: Brown Group, Inc.
    Inventors: Robert M. Dyer, David A. Towndrow