Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817597 | Spring-and-shock absorber system having differential roll bellows | Gerhard Thurow, Bernd Acker, Christoph Bank, Paul Cerny, Peter Gönnheimer +5 more | 2004-11-16 |
| 6752746 | Adjustable jump rope apparatus with adjustable weight and length | David Schockett, Dennis J. Wasserman | 2004-06-22 |