Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8151775 | High vacuum crankcase ventilation | Changsoo Kim, Gregory F. O'Daniel, Ellen S. Schwartz | 2012-04-10 |
| 5186278 | Oil mist separator | Thomas B. Ascroft, Richard F. Reising, Robert F. Hill, John Edward Brevick, Eric W. Schneider | 1993-02-16 |