Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5565273 | Transparent heat protection element | Horst Seidel, Simon Frommelt, Christoph Giesbrecht | 1996-10-15 |
| 4996930 | Feed system for incineration of contaminated material | Harry H. Yip, Niles W. Johanson | 1991-03-05 |
| 4556767 | Gas-blast circuit breaker | Klaus Ragaller, Ekkehard Schade, Roland Stelzer | 1985-12-03 |