Patents by Inventor Zivota Ognjanovic

Zivota Ognjanovic 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).

  • Patent number: 6248021
    Abstract: Teaching golf clubs that signal a golf ball/club face impact location comprising a putter having a head with an elastomer or thin hard material face cover protecting piezoelectric sensors electrically connected to an electrical circuit provided with light emitting diodes (LEDs) arranged to visually indicate the impact location, the electrical circuit printed on a circuit board tightly inserted into a golf club head cavity or embedded in a plastic matrix and an iron and a “wood” golf clubs having elastomer or thin hard materials coated on plates inserted into piezoelectric sensors electrically connected to an electrical circuit on a circuit board inserted into a club head cavity or embedded in a plastic matrix with LEDs indicating a golf ball/club face impact location. Each teaching club has a matching Profession Golf Association approved club for golf course play.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: June 19, 2001
    Inventor: Zivota Ognjanovic
  • Patent number: 5709610
    Abstract: A golf club/golf ball impact detection system contained entirely within a golf club head for immediate visual indication of specific club face and golf ball impact location comprising a plurality of push button members that can be depressed by a golf club/golf ball impact to impinge on an adjustable electrical conducting board, where an electrical circuit is completed to illuminate a plurality of push button associated LEDs, that remain illuminated until a reset switch is manually depressed or an internal integrated circuit provides timing means. The golf club/golf ball impact detecting system is used not only for practicing golf but also used under the pressure of actual play.
    Type: Grant
    Filed: November 29, 1996
    Date of Patent: January 20, 1998
    Inventor: Zivota Ognjanovic