Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962090 | Heated stainless steel emissions canister | Joseph McDonald, William Martin Silvis, Gerald Marek | 2005-11-08 |
| 6857327 | Particulate sampling probe and dilution tunnel | William Martin Silvis, Gerald Marek | 2005-02-22 |