Patents by Inventor Patrick R. Welsh

Patrick R. Welsh 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: D376941
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: December 31, 1996
    Assignee: Selfix, Inc.
    Inventors: Raul Munoz, Patrick R. Welsh, Robert W. Matthes