Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4459245 | Method and apparatus for controlled size distribution of gel microspheres formed from aqueous dispersions | Paul A. Haas, John Vavruska | 1984-07-10 |
| 4415536 | Apparatus for contacting particulate material with processing liquid | Paul A. Haas | 1983-11-15 |
| 4336044 | Process for separating coal synthesized methane from unreacted intermediate and contaminant gases | Ray E. Barker, Charles D. Scott | 1982-06-22 |