Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4957890 | Surface treated permeable inorganic membranes and method of making same | Larry F. Wieserman, Karl Wefers, Kathryn Cross, Edward S. Martin, H. Philip Hsieh | 1990-09-18 |
| 4892693 | Method of making filament growth composite | Anthony J. Perrotta, Donald K. Grubbs, Thomas B. Gurganus | 1990-01-09 |
| 4652545 | Catalyst for hydroconversion of heavy oils and method of making the catalyst | John F. Lindsley, Marvin Goldstein | 1987-03-24 |
| 4465790 | Hydrotreating catalyst | — | 1984-08-14 |