Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6731239 | System and method for retrieving information using position coordinates | Carroll Edward Wall | 2004-05-04 |
| 5979298 | Cooling gallery for pistons | — | 1999-11-09 |
| 5660156 | Cast piston having reinforced combustion bowl edge | Jeffrey L. Castleman | 1997-08-26 |
| 5261321 | Piston having oval shaped crown | — | 1993-11-16 |