Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7370503 | Safety key and locking cylinder, and locking system with such safety keys and locking cylinders | — | 2008-05-13 |
| 5431737 | Interchangeable CVD chuck surface | Frederick J. Scholz | 1995-07-11 |
| 4932358 | Perimeter wafer seal | David K. Studley | 1990-06-12 |
| D265235 | Combined water closet and lavatory | — | 1982-06-29 |