Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512455 | Disc turnover device | John J. Prusak | 1985-04-23 |
| 4503806 | Lubricant detector and measuring device | John J. Prusak, Brian E. Lock | 1985-03-12 |
| 4424761 | Nozzle for coating a disc with a lubricant | Robert E. Jennings | 1984-01-10 |
| 4368636 | System for handling a volatile and flammable liquid | Robert E. Jennings | 1983-01-18 |