Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271368 | Beverage dispensing valve | Terrance G. Belland, William B. MacKrell | 1983-11-15 |
| D261391 | Beverage dispenser valve | William B. MacKrell | 1981-10-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D271368 | Beverage dispensing valve | Terrance G. Belland, William B. MacKrell | 1983-11-15 |
| D261391 | Beverage dispenser valve | William B. MacKrell | 1981-10-20 |