Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669366 | Closed crankcase ventilation system | Donald W. Beach, Alan S. Bounnakhom, David M. Ruch, John M. Partridge, J. Eric Parlow | 1997-09-23 |
| 5637217 | Self-driven, cone-stack type centrifuge | Byron A. Pardue | 1997-06-10 |