Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D292893 | Timing light | Mark S. Bakula, Donald W. Doman, David R. Ellingen, Keith R. Malek, Steven E. Michalski +4 more | 1987-11-24 |
| 4503509 | Calibrator for timing meter | Thomas P. Becker, Christopher B. Stout | 1985-03-05 |