Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887554 | Raw proportional toxic sampler for sampling exhaust | Lawrence Sanchez, Charles R. Schenk | 2014-11-18 |
| 6962090 | Heated stainless steel emissions canister | William Martin Silvis, Norbert Kreft, Gerald Marek | 2005-11-08 |
| 6779339 | Method for NOx adsorber desulfation in a multi-path exhaust system | Christopher A. Laroo, Charles R. Schenk, Byron J. Bunker, Brian A. Olson, Robert E. Moss +2 more | 2004-08-24 |