Patents by Inventor Timothy P. Johnson

Timothy P. Johnson 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: D300789
    Type: Grant
    Filed: July 8, 1986
    Date of Patent: April 25, 1989
    Assignee: Conference Communications, Inc.
    Inventors: Timothy P. Johnson, Pierre L. Crease, Clifford J. Hoffman
  • Patent number: D327766
    Type: Grant
    Filed: April 11, 1990
    Date of Patent: July 7, 1992
    Assignee: NCR Corporation
    Inventors: Stephen W. Swaine, Timothy P. Johnson
  • Patent number: D393528
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: April 14, 1998
    Assignee: NCR Corporation
    Inventor: Timothy P. Johnson
  • Patent number: D393529
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: April 14, 1998
    Assignee: NCR Corporation
    Inventor: Timothy P. Johnson
  • Patent number: D395129
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: June 9, 1998
    Assignee: NCR Corporation
    Inventor: Timothy P. Johnson
  • Patent number: D395134
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: June 9, 1998
    Assignee: NCR Corporation
    Inventor: Timothy P. Johnson