Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7238250 | Energy absorbing systems and processes, and processes for the production of energy absorbing structural elements | — | 2007-07-03 |
| 4946721 | Composite for the absorption of energy | Helmut Weissinger | 1990-08-07 |