Patents by Inventor Robert J. Lamkin

Robert J. Lamkin 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).

  • COMPOSITION AND MANUFACTURING METHODS FOR GRIPS
    Publication number: 20120065314
    Abstract: A composition for use in grips is disclosed. The composition may be used, for example, in making a golf club grip. The disclosed grip provides for improved shock absorption and other beneficial properties. In one embodiment the comprises a cross-linked composition of from about 40% by weight to about 80% by weight of one or a combination of a first material selected from the group consisting of butyl rubber, nitrile rubber, ethylene propylene rubber and chloroprene rubber, and from about 10% by weight to about 50% by weight of one or a combination of a second material selected from the group consisting of ethylene-propylene-diene copolymer (EPDM), polyurethane, ethylene-vinyl acetate copolymer, polypropylene and cork.
    Type: Application
    Filed: June 3, 2011
    Publication date: March 15, 2012
    Applicant: Lamkin Corporation
    Inventors: Robert J. Lamkin, David Claas, Christopher A. Lee, Miguel Angel Bravo, Maria Ramirez, Patricia Marquez, Roberto Rodriguez, Carlos Rodriguez, Moises Lucero, Feliciano Guillen, Iran Saenz, Andrew Kerr, Ernesto Castro
  • Method of making partial cord golf grip
    Publication number: 20040043827
    Abstract: A golf club grip is composed of an elastomeric material formed into a tubular form adapted to be received on the butt end of a golf club shaft with the grip having an upper semi-cylindrical portion of rubber material with cork particles disbursed therein and with a lower semi-cylindrical portion of the grip having the tip end of the same material as the upper semi-cylindrical portion of the grip and with the butt end of the lower semi-cylindrical portion having exposed cord for enhanced friction between the grip and a user's hands. A compression molding process is described for forming the grip from component strips and pieces of an elastomeric material.
    Type: Application
    Filed: August 11, 2003
    Publication date: March 4, 2004
    Applicant: Lamkin Corporation
    Inventors: Robert E. Lamkin, Robert J. Lamkin
  • Partial cord golf grip and method of making same
    Patent number: 6666777
    Abstract: A golf club grip is composed of an elastomeric material formed into a tubular form adapted to be received on the butt end of a golf club shaft with the grip having an upper semi-cylindrical portion of rubber material with cork particles disbursed therein and with a lower semi-cylindrical portion of the grip having the tip end of the same material as the upper semi-cylindrical portion of the grip and with the butt end of the lower semi-cylindrical portion having exposed cord for enhanced friction between the grip and a user's hands. A compression molding process is described for forming the grip from component strips and pieces of an elastomeric material.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: December 23, 2003
    Assignee: Lamkin Corp.
    Inventors: Robert E. Lamkin, Robert J. Lamkin