Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400276 | Apparatus having tube sheets for hollow fibers | Roger G. Guay | 1983-08-23 |
| 4265763 | Permeator apparatus | Roger G. Guay | 1981-05-05 |
| 4183890 | Method of cutting hollow filaments embedded in resinous mass | — | 1980-01-15 |