Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361069 | Electronically controlled swell shutter operator for pipe organs | Richard H. Peterson | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361069 | Electronically controlled swell shutter operator for pipe organs | Richard H. Peterson | 1982-11-30 |