Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020467 | Balloon signalling system | Norman Van Patten | 1991-06-04 |
| 5005513 | Hydrogen gas-filled balloon signalling system | Norman Van Patten, Vernon R. Dillenbeck | 1991-04-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5020467 | Balloon signalling system | Norman Van Patten | 1991-06-04 |
| 5005513 | Hydrogen gas-filled balloon signalling system | Norman Van Patten, Vernon R. Dillenbeck | 1991-04-09 |