Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252270 | Method of forming foam moldings having varied density regions | Hermann Tatzel | 1993-10-12 |
| 5236764 | Component for absorbing impact energy | Werner Lenz, Friedrich Domas | 1993-08-17 |
| 5180628 | Shock-absorbing propylene polymer composite moldings | Erhard Seiler, Hermann Tatzel, Harald Schwager, Friedrich Domas | 1993-01-19 |
| 5164257 | Foam moldings having various density regions, the production thereof, and a mold therefor | Hermann Tatzel | 1992-11-17 |
| 5122398 | Recyclable bumper system | Erhard Seiler, Klaus-Dieter Ruempler, Norbert Jung, Rainer Henning, Juergen Hamprecht | 1992-06-16 |
| 5045256 | Expansion of shrunk foam particles of propylene polymers | Isidoor De Grave, Wolfram Koegel, Fritz E. Krueckau, Hermann Tatzel | 1991-09-03 |