Patents by Inventor John VonSchwartz

John VonSchwartz 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).

  • Golf club face
    Patent number: 5688186
    Abstract: A new golf club face design is disclosed in which different regions of grooves are provided in the vertical direction of the club face to impose different roll/bite characteristics on a golf ball depending on where the golf ball contacts the club face. In one embodiment, the golf club face has three characteristic regions of different types of grooves in the vertical direction of the club face. Different irons within the golf club set can also have different characteristic grooves in the three defined regions of the club face.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: November 18, 1997
    Inventors: Richard A. Michaels, John VonSchwartz