Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7201708 | Machine-assisted exercising | Richard A. Dreissigacker, Peter D. Dreissigacker | 2007-04-10 |
| 6561955 | Machine-assisted exercising | Richard A. Dreissigacker, Peter D. Dreissigacker | 2003-05-13 |
| 6371892 | Exercise machine | Richard A. Dreissigacker, Peter D. Dreissigacker | 2002-04-16 |
| 6231485 | Exercise machine | Richard A. Dreissigacker, Peter D. Dreissigacker | 2001-05-15 |
| 5707322 | Exercise machine | Richard A. Dreissigacker, Peter D. Dreissigacker | 1998-01-13 |
| D367508 | Rowing machine | Richard A. Dreissigacker, Peter D. Dreissigacker | 1996-02-27 |
| 4396188 | Stationary rowing unit | Peter D. Dreissigacker, Richard A. Dreissigacker | 1983-08-02 |