Patents by Inventor David Johnsin

David Johnsin 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).

  • Two-piece interlocking pillow unit
    Patent number: D374146
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: October 1, 1996
    Assignee: Foamex L.P.
    Inventors: Vincenzo A. Bonaddio, David Johnsin