Patents by Inventor David D. Clapp

David D. Clapp 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).

  • Bottle opener
    Patent number: 4653354
    Abstract: A bottle opener having a handle and a pair of extending fingers, the opener being made of powdered metal by compressing the powder in a die and sintering the compressed powder at a high heat to bond the particles together, whereby the resulting bottle opener is strong, does not wear easily and is not expensive to fabricate.
    Type: Grant
    Filed: February 20, 1985
    Date of Patent: March 31, 1987
    Assignee: The Wakefield Corporation
    Inventor: David D. Clapp