Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402928 | Method of making flute tube | Richard S. Preston, Steven W. Parkinson, Dale Cook, Keith Mason | 1995-04-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402928 | Method of making flute tube | Richard S. Preston, Steven W. Parkinson, Dale Cook, Keith Mason | 1995-04-04 |