Patents by Inventor David Alan Pettinga

David Alan Pettinga 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 ball retriever
    Patent number: 6743113
    Abstract: The present invention discloses a golf ball retriever for engaging and retrieving a golf ball from a cup. The golf ball retriever includes a fitting having an inner bore being affixed to an end of a golf club shaft, a plug sized to be received within the golf club shaft, a plurality of wires secured to the plug and extending through the fitting inner bore, and a plurality of contact elements each being attached to one of the wires. A user extends the wires from the golf club shaft to a position retained by engagement of the plug and fitting, wherein the wires diverge in order to receive the golf ball upon being urged therein for retrieving the golf ball from the cup.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: June 1, 2004
    Inventors: David Alan Pettinga, Bonnie Jo Pettinga
  • Golf ball retriever
    Publication number: 20030236129
    Abstract: The present invention discloses a golf ball retriever for engaging and retrieving a golf ball from a cup. The golf ball retriever includes a fitting having an inner bore being affixed to an end of a golf club shaft, a plug sized to be received within the golf club shaft, a plurality of wires secured to the plug and extending through the fitting inner bore, and a plurality of contact elements each being attached to one of the wires. A user extends the wires from the golf club shaft to a position retained by engagement of the plug and fitting, wherein the wires diverge in order to receive the golf ball upon being urged therein for retrieving the golf ball from the cup.
    Type: Application
    Filed: June 21, 2002
    Publication date: December 25, 2003
    Inventors: David Alan Pettinga, Bonnie Jo Pettinga