Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D299910 | Engine analyzer | Donald W. Doman, Gerald R. Bakula, Thomas J. Christensen, Jack A. Parise | 1989-02-21 |
| D292893 | Timing light | Mark S. Bakula, Donald W. Doman, David R. Ellingen, Gene P. Hopp, Keith R. Malek +4 more | 1987-11-24 |
| 4502664 | MacPherson spring compressor | Roy B. Bendickson | 1985-03-05 |
| 4416338 | Control mechanism for a pneumatic tool | James W. Nelson, Michael Foster | 1983-11-22 |