Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234590 | High strength and light tubesheets for hollow fiber membrane permeators | Billy J. Etienne, Kenneth Heath | 1993-08-10 |
| 4684568 | Vapor-permeable liquid-impermeable fabric | — | 1987-08-04 |
| 4582750 | Process for making a nonwoven fabric of needling, heating, burnishing and cooling | Leon H. Zimmerman | 1986-04-15 |