Patents by Inventor Michael H. L. Cheng

Michael H. L. Cheng 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).

  • Composite golf club shaft and method of making the same
    Patent number: 5720671
    Abstract: A golf club shaft including a base rod and a hosel section of a substantially uniform predetermined thickness extending radially outwardly from a portion of club head end of the base rod. The length of hosel section is substantially greater than the length of the club head hosel recess into which the shaft will be inserted.
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: February 24, 1998
    Assignee: Harrison Sports, Inc.
    Inventor: Michael H. L. Cheng
  • Golf club head
    Patent number: D321919
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: November 26, 1991
    Inventor: Michael H. L. Cheng