Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294342 | Composite porous membranes | — | 1994-03-15 |
| 5294346 | Composite microporous membranes | Lessie C. Phillips | 1994-03-15 |
| 5266391 | Composite porous membranes | Lessie C. Phillips | 1993-11-30 |