Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898098 | Device for the rapid generation of a smoke screen and a method for preparing a smoke charge | Yvonne Frey, Jorg Kutzli, Walter Rauber, Markus Tobler | 1990-02-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898098 | Device for the rapid generation of a smoke screen and a method for preparing a smoke charge | Yvonne Frey, Jorg Kutzli, Walter Rauber, Markus Tobler | 1990-02-06 |