Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041267 | Ultra high purity reagent container with large breakseal | Hans-Juergen Graf | 1991-08-20 |
| 4859375 | Chemical refill system | Bruce A. Lipisko, John C. Schumacher, Richard E. Howard, Adrian Sandu, Robert E. Fletcher +1 more | 1989-08-22 |
| 4842827 | Vacuum vapor transport control | Hans-Juergen Graf, Robert E. Fletcher, Bruce E. Rhine, J. R. Monkowski | 1989-06-27 |