Patents by Inventor David A. Berque

David A. Berque 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).

  • Method of stringing or restringing a tennis racket
    Patent number: 4455021
    Abstract: A hand tool for use in stringing or restringing tennis or similar type racquets, consisting of a bracket that clamps to the recquet. The bracket has an extension protruding from it which acts as an anchor for a dual string clamp, allowing the dual string clamp to hold the tension on any newly pulled string in the racquet without using the previously pulled string as an anchor.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: June 19, 1984
    Inventor: David A. Berque