Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207906 | Method of making a cigarette | Helmut Kalies | 1980-06-17 |
| 4182348 | Removal of nitric oxide and carbon monoxide from tobacco smoke | Erwin Kausch | 1980-01-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4207906 | Method of making a cigarette | Helmut Kalies | 1980-06-17 |
| 4182348 | Removal of nitric oxide and carbon monoxide from tobacco smoke | Erwin Kausch | 1980-01-08 |