Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7104743 | Vacuum receiver with positive dump valve control | Donald D. Rainville, Robert R. Crawford, William Goldfarb | 2006-09-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7104743 | Vacuum receiver with positive dump valve control | Donald D. Rainville, Robert R. Crawford, William Goldfarb | 2006-09-12 |