Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122329 | Film blowing apparatus | Semyon Soyferman, Stephen J. Weibush, Richard F. O'Brien, Stephen D. Albert, Michael D. Schmal | 1992-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5122329 | Film blowing apparatus | Semyon Soyferman, Stephen J. Weibush, Richard F. O'Brien, Stephen D. Albert, Michael D. Schmal | 1992-06-16 |