Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056646 | Golf club shaft with inner member | — | 2000-05-02 |
| 6045457 | Golf club shaft with an inner member | — | 2000-04-04 |
| 6027420 | Sports racket having a frame with discontinuous boundary | — | 2000-02-22 |
| 5931746 | Golf club head having a tensile pre-stressed face plate | — | 1999-08-03 |
| 5588920 | Handle of golf club with improved control | — | 1996-12-31 |
| 5557367 | Method and apparatus for optimizing scheduling in imaging devices | Ming Yang, Injae Choi | 1996-09-17 |
| 5470066 | String fixer in sports racket | — | 1995-11-28 |
| 5398934 | Golf club and grip therefor | — | 1995-03-21 |
| RE34767 | Handle device for sports equipment shafts | — | 1994-10-25 |
| 5335919 | Movable end cap for the handle of a sports racket | — | 1994-08-09 |
| 5306004 | Sports rackets having all strings dampened for vibration | — | 1994-04-26 |
| 5275407 | Grip of sports racket having raised ridges | — | 1994-01-04 |
| 5259617 | Golf club having swivel facilitating means | — | 1993-11-09 |
| 5169146 | Damping device for sports rackets | — | 1992-12-08 |
| 5165687 | Damping layer assembly with constraining plate layer for sports racket | — | 1992-11-24 |
| 5160139 | Handle device for sports equipment shafts | — | 1992-11-03 |
| 5158286 | Damping device for sports rackets | — | 1992-10-27 |
| 5152526 | Frame for sports rackets | — | 1992-10-06 |
| 5141228 | Shock absorbing string post for sports rackets | — | 1992-08-25 |
| 5137274 | Extensible grommet strip for sports rackets | — | 1992-08-11 |
| 5092016 | Removable grommet pad and method of use | — | 1992-03-03 |
| 5080363 | Sports equipment with enhanced flexibility | — | 1992-01-14 |
| 5054781 | Sports equipment with enhanced flexibility | — | 1991-10-08 |
| 5031684 | Vehicle windshield shade | Jeanne F. Soong | 1991-07-16 |
| 5014987 | Frame for sports racket | — | 1991-05-14 |