Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361458 | Piano soundboard and method of making same | Stanley A. Grajek, George S. Klaiber | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361458 | Piano soundboard and method of making same | Stanley A. Grajek, George S. Klaiber | 1982-11-30 |