Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467602 | Electromechanical parking meter door communications interface | James Bench, David Lefevers, J. Lumpkin, Gregory Emile Chauvin | 2002-10-22 |
| 4739759 | Microprocessor controlled electrosurgical generator | Frederick W. Rexroth | 1988-04-26 |