Patents by Inventor Sigmund Nowakowski

Sigmund Nowakowski 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).

  • Hockey game table
    Patent number: D400950
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: November 10, 1998
    Assignee: Sportcraft, Ltd.
    Inventors: Michael Nally, Douglas J. Flood, Bruce Maguire, James O'Keeffe, Sigmund Nowakowski
  • Hockey game table
    Patent number: D400951
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: November 10, 1998
    Assignee: Sportcraft, Ltd.
    Inventors: Michael Nally, Douglas J. Flood, Bruce Maguire, James O'Keeffe, Sigmund Nowakowski
  • Hockey game table
    Patent number: D418176
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: December 28, 1999
    Assignee: Sportcraft, Ltd.
    Inventors: Michael Nally, Douglas J. Flood, Bruce Maguire, James O'Keeffe, Sigmund Nowakowski