Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5736015 | Electrical discharge machining apparatus | Charles J. Armentrout, Lesley A. Calvert, Lawrence Davies, John Jarchow, Michael Pulka | 1998-04-07 |
| 5333590 | Diagnostic system for canister purge system | — | 1994-08-02 |