Patents by Inventor Rijndert W. Heijnen

Rijndert W. Heijnen 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: D324677
    Type: Grant
    Filed: August 14, 1990
    Date of Patent: March 17, 1992
    Assignee: U.S. Philips Corporation
    Inventors: Aubry A. Gratton, Rijndert W. Heijnen
  • Patent number: D353374
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: December 13, 1994
    Assignee: U.S. Philips Corporation
    Inventor: Rijndert W. Heijnen