Patents by Inventor Pauline A. Pieper

Pauline A. Pieper 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).

  • Wire retaining clip
    Patent number: D390448
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: February 10, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Johannes N. Gaston, Douglas J. VanOrnum, Paul E. Raber, Pauline A. Pieper
  • Clip
    Patent number: D392181
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: March 17, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Johannes N. Gaston, Douglas J. VanOrnum, Paul E. Raber, Pauline A. Pieper
  • Small hook
    Patent number: D393412
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: April 14, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Johannes N. Gaston, Douglas J. VanOrnum, Paul E. Raber, Pauline A. Pieper
  • Picture hanger
    Patent number: D393414
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: April 14, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Johannes N. Gaston, Douglas J. VanOrnum, Paul E. Raber, Pauline A. Pieper
  • Picture hanger
    Patent number: D395594
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: June 30, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Johannes N. Gaston, Douglas J. VanOrnum, Paul E. Raber, Pauline A. Pieper
  • Wall hook
    Patent number: D417385
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: December 7, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James L. Bries, Pauline A. Pieper, Paul E. Raber, Michael P. Zambelli, Mark E. Millman, David J. Mayer