Patents by Inventor Roger Z. Kaufman

Roger Z. Kaufman 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).

  • Folding book light
    Patent number: D518586
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: April 4, 2006
    Assignee: Fulcrum Marketing Group, Inc.
    Inventor: Roger Z. Kaufman
  • Container clock
    Patent number: D456273
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: April 30, 2002
    Assignee: Blue Ridge International Products Company
    Inventor: Roger Z. Kaufman
  • Cooking timer
    Patent number: D483679
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: December 16, 2003
    Assignee: Amco Houseworks, LLC
    Inventors: Roger Z. Kaufman, Christopher Dorion