Patents by Inventor Martin S. Van Doren

Martin S. Van Doren 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).

  • Door handleset
    Patent number: D362380
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: September 19, 1995
    Assignee: Baldwin Hardware Corporation
    Inventors: Philip C. Ellis, Martin S. Van Doren
  • Door handleset
    Patent number: D362609
    Type: Grant
    Filed: February 17, 1994
    Date of Patent: September 26, 1995
    Assignee: Baldwin Hardware Corporation
    Inventors: Philip C. Ellis, Martin S. Van Doren
  • Handleset
    Patent number: D362610
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: September 26, 1995
    Assignee: Baldwin Hardware Corporation
    Inventors: Philip C. Ellis, Martin S. Van Doren
  • Handleset
    Patent number: D363204
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: October 17, 1995
    Assignee: Baldwin Hardware Corporation
    Inventors: Philip C. Ellis, Martin S. Van Doren