Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D269466 | Razor | — | 1983-06-21 |
| 4243493 | Process for transportation and distillation of petroleum with methanol | Willi Keim, Klaus Hentschel | 1981-01-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D269466 | Razor | — | 1983-06-21 |
| 4243493 | Process for transportation and distillation of petroleum with methanol | Willi Keim, Klaus Hentschel | 1981-01-06 |