Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682763 | Ultra high purity oxygen distillation unit integrated with ultra high purity nitrogen purifier | Rakesh Agrawal, Zbigniew Tadeusz Fidkowski | 1997-11-04 |
LP
Lawrence Walter Pruneski
Overall (1997): #183,541 of 185,788Top 100%
1
Patents 1997