Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747577 | Gate valve with magnetic closure for use with vacuum equipment | — | 1988-05-31 |
| 4676884 | Wafer processing machine with evacuated wafer transporting and storage system | Dirk P. Woestenburg | 1987-06-30 |
| 4523985 | Wafer processing machine | — | 1985-06-18 |
| 4522697 | Wafer processing machine | Peter J. Clarke | 1985-06-11 |