Patents by Inventor Charles L. Grubbs

Charles L. Grubbs 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).

  • Publication number: 20030003239
    Abstract: A method of coating the shaft of a golf club with a smooth layer of curable wear-resistant liquid material, said material loaded with a high density of extremely small, hard-wearing particles, by the steps of providing an open-top, leak-proof container having a broad, wide base and at least one upstanding end wall, providing a first aperture in the upstanding container end wall, the aperture being of a size and shape sufficiently large to allow passing therethrough of the shaft of a golf club, the first aperture further defined by an inside-container side and an opposite, outside-container side, attaching a gasket over the first aperture, the gasket having a second aperture formed therethrough and aligning the second aperture with the first aperture so that the second aperture is located near the center of the first aperture, placing a volume of liquid coating material in sufficient volume to cover said container base, the material loaded with a high density of extremely small, hard-wearing particles, tilting
    Type: Application
    Filed: June 29, 2001
    Publication date: January 2, 2003
    Inventor: Charles L. Grubbs