Patents by Inventor Nina Mattikow

Nina Mattikow 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).

  • Cassette holder
    Patent number: D337451
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: July 20, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow
  • Cassette holder
    Patent number: D337453
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: July 20, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow
  • Design for cassette holder
    Patent number: D337899
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: August 3, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow
  • Cassette holder
    Patent number: D338572
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: August 24, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow
  • Cassette holder
    Patent number: D338573
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: August 24, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow
  • Design for cassette holder
    Patent number: D338786
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: August 31, 1993
    Assignee: Great American Audio Corp.
    Inventor: Nina Mattikow