Patents by Inventor Ernst F. Sturm

Ernst F. Sturm 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).

  • Soft impact putter
    Patent number: 5690562
    Abstract: In accordance with the present invention, a golf putter head is provided having a body portion which includes a front face having an opening which extends all the way from the front face through the body portion. An elastomeric material having a Durometer value to produce substantial resilience is located within this opening in such a manner that there is no metal backing for the elastomeric material. In one embodiment the opening extending inwardly from the front face also extends downwardly to the bottom surface of the putter to assist in locating the elastomeric material within the putter. In accordance with another embodiment of the invention the front face of the putter includes latterly spaced slots on either side of the opening. These slots further assist in locating the elastomeric material within the body portion. In another embodiment of the invention a pair of vertical walls are provided which are connected to a rear face of the body portion and are located perpendicular to the putting surface.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: November 25, 1997
    Inventor: Ernst F. Sturm
  • Golf putter head
    Patent number: D363101
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: October 10, 1995
    Inventor: Ernst F. Sturm
  • Display assembly for golf equipment
    Patent number: D364052
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: November 14, 1995
    Inventor: Ernst F. Sturm
  • Golf putter head
    Patent number: D365864
    Type: Grant
    Filed: January 3, 1995
    Date of Patent: January 2, 1996
    Inventor: Ernst F. Sturm