Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5504271 | Oven | John Clarke, David J. Lusty, David L. Allinson, Geoffrey H. Rumble | 1996-04-02 |
| D350378 | Connecting piece for the handle and shaft of a racket | — | 1994-09-06 |
| 5236198 | Games racket frame | Robert C. Haines, Andrew J. Marsden | 1993-08-17 |
| 4747598 | Racket frame having interiorly located stringing lugs | — | 1988-05-31 |
| 4614627 | Method of injection molding a thermoplastic hollow or hollow foam filled one piece head of a golf club | Robert C. Haines | 1986-09-30 |