Patents by Inventor Richard J. Petersen

Richard J. Petersen 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).

  • ADJUSTABLE LENGTH SHAFT AND AN ADJUSTABLE MASS FOR A GOLF CLUB
    Publication number: 20240123307
    Abstract: A golf club has a first shaft coupled to a club head, a second shaft configured to slidably engage a portion of the first shaft, a grip coupled to the second shaft, and an adjustable length shaft assembly received by the second shaft and configured to allow a portion of the first shaft to slide in relation to the second shaft in a first configuration, and to restrict a portion of the first shaft from sliding in relation to the second shaft in a second configuration. The grip is restricted from rotation about the first shaft or the second shaft as the first shaft slides in relation to the second shaft.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventors: Travis D. Milleman, Anthony D. Serrano, Eric V. Cole, David S. Kultala, David L. Petersen, Les J. Bryant, Richard D. MacMillan, Rick Solesbee, John A. Solheim, Evan R. Greer
  • Bag buddy
    Patent number: D336779
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: June 29, 1993
    Inventor: Richard J. Petersen