Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804746 | Pretensioned soundboard for stringed musical instruments | Keith D. Kersenbrock | 1998-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5804746 | Pretensioned soundboard for stringed musical instruments | Keith D. Kersenbrock | 1998-09-08 |