Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425943 | POWERED LOW RESTRICTION AIR PRECLEANER DEVICE AND METHOD FOR PROVIDING A CLEAN AIR FLOW TO AN APPARATUS SUCH AS A COMBUSTION ENGINE AIR INTAKE, ENGINE COOLING SYSTEM, VENTILATION SYSTEM AND CAB AIR INTAKE SYSTEM | — | 2002-07-30 |
| 6406506 | Air cleaner | Eric L. Ehrenberg | 2002-06-18 |
| 6338745 | Air cleaner | Eric L. Ehrenberg | 2002-01-15 |