Patents by Inventor Charles P. Uppvall

Charles P. Uppvall 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 for detecting golfer's head movement when putting
    Patent number: 4303244
    Abstract: A golf putting training device comprised of a cap with light emittor adapted to project a spot beam of light to a first position before a golfer putts, said spot to be observed by the golfer immediately after putting to see if the spot beam is in a second position, the distance between the first and second position indicating improper movement of the head of the golfer during putting.
    Type: Grant
    Filed: February 9, 1981
    Date of Patent: December 1, 1981
    Inventor: Charles P. Uppvall