Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375424 | Cryopump with electronically controlled regeneration | Stephen J. Yamartino | 1994-12-27 |
| 5356270 | Ultra high vacuum cryopump relief valve assembly | — | 1994-10-18 |
| 5301511 | Cryopump and cryopanel having frost concentrating device | Charles A. Stochl, Anthony M. Guerra, Dale A. Dopson, Paul Meroski, Thomas F. Stevens | 1994-04-12 |