Patents by Inventor Robert P. Sanchez

Robert P. Sanchez 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 putter
    Patent number: 6688990
    Abstract: An attractive user-friendly golf putter is provided with a special center weighted housing and side weights to enhance the accuracy, ease and reliability of putting. The side weights are preferably positioned between the center weighted housing and the toe and heel of the golf putter.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: February 10, 2004
    Assignee: Robsan Corporation
    Inventor: Robert P. Sanchez
  • Golf putter
    Publication number: 20030207725
    Abstract: An attractive user-friendly golf putter is provided with a special center weighted housing and side weights to enhance the accuracy, ease and reliability of putting. The side weights are preferably positioned between the center weighted housing and the toe and heel of the golf putter.
    Type: Application
    Filed: May 3, 2002
    Publication date: November 6, 2003
    Applicant: Robsan Corporation
    Inventor: Robert P. Sanchez
  • Golf club head
    Patent number: D311049
    Type: Grant
    Filed: May 27, 1987
    Date of Patent: October 2, 1990
    Inventor: Robert P. Sanchez
  • Golf club head
    Patent number: D314030
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: January 22, 1991
    Inventor: Robert P. Sanchez