Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5843199 | Method and device for fire-polishing a lengthwise extended glass body | Hans-Jurgen Lysson, Frank Lisse | 1998-12-01 |
| 5816983 | Aerobic bouncing, exercising, stretching chair | Charles Dawes, Scott A. Fenner | 1998-10-06 |
| 4274627 | Exercise apparatus | Edward P. Franz | 1981-06-23 |