Patents by Inventor Irwin A. Knafel

Irwin A. Knafel 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 head
    Patent number: 8715097
    Abstract: A golf club head is provided and includes a club head body, a club head face connected to a front portion of the club head body, wherein the club head face includes a club face surface having a plurality of face cavities arranged across the club face surface and a plurality of protrusion posts, wherein each of the plurality of protrusion posts includes a post body having a post base and a post head, wherein the plurality of protrusion posts is associated with the club face to extend away from the club face surface such that the post base of each of the plurality posts is located in separate cavities of the plurality of face cavities.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: May 6, 2014
    Inventor: Irwin A. Knafel
  • Golf Club Head
    Publication number: 20120142448
    Abstract: A golf club head is provided and includes a club head body, a club head face connected to a front portion of the club head body, wherein the club head face includes a club face surface having a plurality of face cavities arranged across the club face surface and a plurality of protrusion posts, wherein each of the plurality of protrusion posts includes a post body having a post base and a post head, wherein the plurality of protrusion posts is associated with the club face to extend away from the club face surface such that the post base of each of the plurality posts is located in separate cavities of the plurality of face cavities.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 7, 2012
    Inventor: Irwin A. Knafel