Patents by Inventor David Plogman

David Plogman 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: D375690
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: November 19, 1996
    Assignee: GTC Properties, Inc.
    Inventor: David Plogman
  • Patent number: D385198
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: October 21, 1997
    Inventor: David Plogman
  • Patent number: D394213
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: May 12, 1998
    Assignee: GTC Properties, Inc.
    Inventor: David Plogman