Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940959 | Reversible resistant device | Claude Zeller, Charles F. Murphy, III | 1990-07-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940959 | Reversible resistant device | Claude Zeller, Charles F. Murphy, III | 1990-07-10 |