Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446448 | River ice motion detector | Jon E. Zufelt, Charles H. Clark | 1995-08-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446448 | River ice motion detector | Jon E. Zufelt, Charles H. Clark | 1995-08-29 |