Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5417419 | Golf club with recessed, non-metallic outer face plate | Donald J. C. Sun | 1995-05-23 |
| 5344140 | Golf club head and method of forming same | — | 1994-09-06 |
| 5261663 | Golf club head and method of forming same | — | 1993-11-16 |
| 5261664 | Golf club head and method of forming same | — | 1993-11-16 |
| 5255918 | Golf club head and method of forming same | Donald J. C. Sun | 1993-10-26 |
| 5094383 | Golf club head and method of forming same | Donald J. C. Sun | 1992-03-10 |
| 5077106 | Convolutely lined and wrapped composite tubes | Harry W. Dursch, Robert F. Collins | 1991-12-31 |
| 5024437 | Golf club head | — | 1991-06-18 |
| D312858 | Putter head | Donald J. C. Sun | 1990-12-11 |
| 4915385 | Golf club | — | 1990-04-10 |
| 4913438 | Golf club | — | 1990-04-03 |
| 4900383 | Convolutely lined and wrapped composite tubes | Harry W. Dursch, Robert F. Collins | 1990-02-13 |
| 4898386 | Training bat | — | 1990-02-06 |
| 4831839 | Aerator proportioner for a gravity feed frozen comestible freezer | Philip L. Davis, Theodore J. Salkowski | 1989-05-23 |
| 4762324 | Gold club | — | 1988-08-09 |