Patents by Inventor David B. Clever

David B. Clever 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).

  • Carpet covering chair mat
    Patent number: D355095
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: February 7, 1995
    Inventor: David B. Clever