Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8783022 | Retrofit aftertreatment system for treating diesel exhaust | Andrew Gilb, Paul Anthony Way | 2014-07-22 |
| 6077335 | Filter and method for making a filter | Kirk A. Schneider, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III, Paul L. Kojetin +3 more | 2000-06-20 |
| 5997618 | Filter and method for making a filter | Kirk A. Schneider, Allan L. Liebrenz, Katsushi Isogawa, Stanley B. Miller, III, Paul L. Kojetin +3 more | 1999-12-07 |
| 5063926 | Respirator cartridge with sealant dispersion member | R. D. Forsgren, Roy E. Fielder | 1991-11-12 |