Patents by Inventor Donald M. Marks

Donald M. Marks 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).

  • Automated cellular distribution center
    Patent number: D346826
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: May 10, 1994
    Assignee: Sims Communications Inc.
    Inventor: Donald M. Marks
  • ACDC phone kit
    Patent number: D363937
    Type: Grant
    Filed: August 6, 1993
    Date of Patent: November 7, 1995
    Assignee: Sims Communications
    Inventors: Donald M. Marks, Melvin Leiner, James J. Caprio, Darren M. Marks