Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672481 | Apparatus and method for particle separation in a closed field | Billy W. Minshall, Patrick M. Maloney, Fred Mill, Shelly Heimfeld, Stanley Corpuz +1 more | 1997-09-30 |
| D352958 | Combination pen and pencil | — | 1994-11-29 |