Patents by Inventor John H. Havens

John H. Havens 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).

  • Telephone handset holder
    Patent number: D261510
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: October 27, 1981
    Assignee: Antonio M. Escobedo
    Inventor: John H. Havens