Patents by Inventor Michael W. Levin

Michael W. Levin 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).

  • Solid ink stick
    Patent number: D494620
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: August 17, 2004
    Assignee: Media Sciences, Inc.
    Inventors: Michael W. Levin, Leslie Field
  • Solid ink stick
    Patent number: D495734
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: September 7, 2004
    Assignee: Media Sciences, Inc.
    Inventors: Michael W. Levin, Leslie Field
  • Solid ink stick
    Patent number: D495735
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: September 7, 2004
    Assignee: Media Sciences, Inc.
    Inventors: Michael W. Levin, Leslie Field
  • Solid ink stick
    Patent number: D497176
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: October 12, 2004
    Assignee: Media Sciences, Inc.
    Inventors: Michael W. Levin, Leslie Field