Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973135 | DNA comprising plum pox virus and tomato spotted wilt virus cDNAS for disease resistance | Peter Schreier, Klaus Stenzel, Edgar Maiss | 1999-10-26 |
| 5496048 | Golf cart | — | 1996-03-05 |
| 4921009 | Torque control system | — | 1990-05-01 |
| 4691926 | Racket, especially a tennis racket, having a grip sleeve with spring elements | — | 1987-09-08 |
| 4575083 | Racket with elastic vibration damping strip | — | 1986-03-11 |
| 4545584 | Racket with adjustable handle | — | 1985-10-08 |
| 4537399 | Grip for a racket, especially a tennis racket | — | 1985-08-27 |
| 4537400 | Racket grip having a grip strip | — | 1985-08-27 |
| 4311308 | Tennis racket | Franz Völkl, Volker Klose | 1982-01-19 |
| 4282154 | Tagged gibberellins | Manfred Lischewski | 1981-08-04 |