Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698245 | Unvulcanized tread strip for pneumatic vehicle tires | Gunter Schallmeier | 1987-10-06 |
| 4666392 | Raisable extruder head for extruders | Klaus Gerloff, Hans Menell, Ludolf Bark, Friedrich Klopper | 1987-05-19 |
| 4556376 | Extruder head for producing flat cohesive profiled webs from resilient mixtures of differing composition | Willi Sievers, Hartwig Schluter | 1985-12-03 |
| 4504150 | Extruder | — | 1985-03-12 |
| 4494037 | Gas discharge display device having anodized and unanodized electrode surface areas | — | 1985-01-15 |
| 4390808 | Picture display device having a gas discharge display panel | Harmanus Bulle | 1983-06-28 |
| 4388550 | Gas discharge display panel having hollow cathodes | — | 1983-06-14 |