Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863485 | Fuel briquettes | Hans G. Scafer, Wolfgang Cieslik, Heinz Opdenwinkel, Axel Vogts, Horst Schurmann | 1989-09-05 |
| 4586936 | Fuel briquets | Hans-Georg Schaffer, Axel Vogts, Horst Schurmann | 1986-05-06 |
| 4586982 | Process for the de-inking of printed waste paper | Hasan Ulubay | 1986-05-06 |
| 4411887 | Use of alkylene oxide copolymers as emollients in cosmetic preparations | Karl Seibert, Heinz Praetorius | 1983-10-25 |
| 4369042 | Fuel briquets | Hans G. Schafer, Axel Vogts, Horst Schurmann | 1983-01-18 |