Patents by Inventor Martha Lambert

Martha Lambert 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).

  • Writing instrument pouch
    Patent number: D428553
    Type: Grant
    Filed: September 27, 1999
    Date of Patent: July 25, 2000
    Assignee: Willat Writing Instruments, Inc.
    Inventors: Boyd I. Willat, Rio Di Angelo, Paul Bob Velick, Martha Lambert, Jeffrey Garcia