Patents by Inventor Roman W. Napieraj

Roman W. Napieraj 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: D503143
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: March 22, 2005
    Inventor: Roman W. Napieraj
  • Patent number: D516296
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: March 7, 2006
    Inventor: Roman W. Napieraj
  • Patent number: D516497
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: March 7, 2006
    Inventor: Roman W. Napieraj
  • Patent number: D461759
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: August 20, 2002
    Inventor: Roman W. Napieraj
  • Patent number: D583746
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: December 30, 2008
    Inventor: Roman W. Napieraj
  • Patent number: D583747
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: December 30, 2008
    Inventor: Roman W. Napieraj
  • Patent number: D337979
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: August 3, 1993
    Inventor: Roman W. Napieraj
  • Patent number: D682381
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: May 14, 2013
    Inventor: Roman W. Napieraj