Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6106417 | Lightweight tennis racket having high frequency | Herfried Lammer | 2000-08-22 |
| 6059674 | Racquetball racquet | — | 2000-05-09 |
| 5893810 | Tennis rackets | — | 1999-04-13 |
| D348093 | Base cap for a racquet handle | Robert Marte | 1994-06-21 |
| 5221105 | Ski and a manufacturing method therefor | Bernhard Mayr | 1993-06-22 |
| 5183265 | Racquets, in particular tennis racquets | Karl-Heinz Wager | 1993-02-02 |
| 5129656 | Racquet, in particular a tennis racquet | Robert Marte | 1992-07-14 |
| 5075056 | Process for the production of a ball game racket frame | Karl-Heinz Wager | 1991-12-24 |
| 4974845 | Ball Beater as well as process for producing same | Karl-Heinz Waeger | 1990-12-04 |
| 4776592 | Device for the protection of the strings of a ball racket, particularly tennis racket | Karl-Heinz Wager | 1988-10-11 |