Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553499 | Method and apparatus for the production of exhaust gas filters | Erven J. Kuhlmann, Matthew A. McMahon | 1985-11-19 |
| 4442024 | Catalyst and method of making the same | — | 1984-04-10 |
| 4438219 | Alumina catalyst stable at high temperatures | John T. Brandenburg | 1984-03-20 |
| 4419394 | Catalyst and method of making the same | — | 1983-12-06 |
| 4347398 | Process for preparation of 1-methyl-3,5-diisopropyl benzene | Robert M. Suggitt | 1982-08-31 |
| 4314091 | Preparation of 1-methyl-3,5-diisopropyl benzene from charge streams containing diisopropyl toluene | Robert M. Suggitt | 1982-02-02 |
| 4257225 | Exhaust gas treatment to reduce particulated solids | — | 1981-03-24 |
| 4217757 | Exhaust gas recycling system | — | 1980-08-19 |