Patents by Inventor Mark Harold

Mark Harold 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).

  • Portable data terminal
    Patent number: D356299
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: March 14, 1995
    Assignee: Motorola
    Inventors: Robert Hamilton, Roman P. Rak, Mark Harold
  • Stylus pen
    Patent number: D362649
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: September 26, 1995
    Assignee: Motorola, Inc.
    Inventors: Roman P. Rak, Mark Harold, William E. Fenton