Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859215 | Polymeric membrane for gas separation | Michael Langsam, Pushpinder S. Puri, Madhu Anand | 1989-08-22 |
DL
Daniel V. Laciak
Overall (1989): #122,639 of 140,708Top 90%
1
Patents 1989