Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328768 | Durable water repellant glass surface | — | 1994-07-12 |
| 5308705 | Water repellent surface treatment | Helmut Franz | 1994-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328768 | Durable water repellant glass surface | — | 1994-07-12 |
| 5308705 | Water repellent surface treatment | Helmut Franz | 1994-05-03 |