Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575609 | Device for tilting, carrying and transporting a grand piano | Ronald E. J. Monkhorst | 1996-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5575609 | Device for tilting, carrying and transporting a grand piano | Ronald E. J. Monkhorst | 1996-11-19 |