Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233876 | Method for preventing freeze-up of musical instrument valves and other movable elements | John C. Fenoli | 1980-11-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233876 | Method for preventing freeze-up of musical instrument valves and other movable elements | John C. Fenoli | 1980-11-18 |