Patents by Inventor Ingemar Hartwig

Ingemar Hartwig 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).

  • Card terminal
    Patent number: D462680
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: September 10, 2002
    Assignee: Comex Electronics AB
    Inventor: Ingemar Hartwig
  • Combined filter and double hinging bracket for attachment to a CRT monitor
    Patent number: D338194
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: August 10, 1993
    Assignee: Cominvest System AB
    Inventor: Ingemar Hartwig
  • Antenna device
    Patent number: D378592
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: March 25, 1997
    Assignee: Allgon AB
    Inventors: Ingemar Hartwig, John Pettersson