Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33919 | Pneumatic starter for internal combustion engine | John J. Kristoff | 1992-05-12 |
| 4846122 | Pneumatic starter for internal combustion engine | John J. Kristof | 1989-07-11 |