Patents by Inventor Patrick D. Dwyer

Patrick D. Dwyer 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: D318418
    Type: Grant
    Filed: December 13, 1988
    Date of Patent: July 23, 1991
    Assignee: American Home Products Corporation
    Inventor: Patrick D. Dwyer