Patents by Inventor David J. Lipniarski

David J. Lipniarski 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).

  • Gate
    Patent number: D401360
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: November 17, 1998
    Assignee: Confer Plastics Inc.
    Inventors: Raymond C. Confer, David J. Lipniarski