Patents by Inventor Robert A. Mendralla

Robert A. Mendralla 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 club with plurality of inserts
    Patent number: 5358249
    Abstract: A golf club head includes a plurality of elongated strips of insert material in the face of the club head. The face is provided with a plurality of recesses, and the insert material fills the recesses. The face may also be provided with an elongated groove between each pair of adjacent recesses.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: October 25, 1994
    Assignee: Wilson Sporting Goods Co.
    Inventor: Robert A. Mendralla
  • Golf club head with high toe and low heel weighting
    Patent number: 5224705
    Abstract: A golf club head is provided with a cavity which has a pair of side walls which extend at an angle of about 0.degree. to about 50.degree. to the hosel of the club head. The shape of the cavity positions a substantial portion of the weight of the club head in the upper portion of the toe of the club head and in the lower portion of the heel of the club head. The orientation of the weight of the club head provides a substantial moment of inertia about an axis which extends through the center of gravity at an angle of about 45.degree..
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: July 6, 1993
    Assignee: Wilson Sporting Goods Co.
    Inventors: Carl E. Scheie, Thomas F. Hardman, Robert A. Mendralla
  • Golf club head with high toe and low heel weighting
    Patent number: 5120062
    Abstract: A golf club head is provided with a cavity which has a pair of side walls which extend at an angle of about 0.degree. to about 50.degree. to the hosel of the club head. The shape of the cavity positions a substantial portion of the weight of the club head in the upper portion of the toe of the club head and in the lower portion of the heel of the club head. The orientation of the weight of the club head provides a substantial moment of inertia about an axis which extends through the center of gravity at an angle of about 45.degree..
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: June 9, 1992
    Assignee: Wilson Sporting Goods Co.
    Inventors: Carl E. Scheie, Thomas F. Hardman, Robert A. Mendralla
  • Golf club head
    Patent number: D291107
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: July 28, 1987
    Assignee: Wilson Sporting Goods Co.
    Inventors: Robert A. Mendralla, Carl E. Scheie
  • Golf club head
    Patent number: D319089
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: August 13, 1991
    Assignee: Wilson Sporting Goods Co.
    Inventor: Robert A. Mendralla
  • Golf club head
    Patent number: D323689
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: February 4, 1992
    Assignee: Wilson Sporting Goods Co.
    Inventors: Thomas F. Hardman, Carl E. Scheie, Robert A. Mendralla
  • Golf club head
    Patent number: D327109
    Type: Grant
    Filed: January 27, 1989
    Date of Patent: June 16, 1992
    Assignee: Wilson Sporting Goods Co.
    Inventors: Thomas F. Hardman, Carl E. Scheie, Robert A. Mendralla