Patents by Inventor Richard P. Entrup

Richard P. Entrup 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: D376978
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: December 31, 1996
    Assignee: Hoover Universal, Inc.
    Inventors: Kerry W. Silvers, Richard P. Entrup
  • Patent number: D382807
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: August 26, 1997
    Assignee: Hoover Universal, Inc.
    Inventors: Kerry W. Silvers, Richard P. Entrup, Douglas Svik
  • Patent number: D385196
    Type: Grant
    Filed: November 15, 1995
    Date of Patent: October 21, 1997
    Assignee: Schmalbach-Lubeca AG
    Inventor: Richard P. Entrup