Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724492 | Snowthrower with removable self-heating starter battery pack | Jeffrey M. Zeiler, Robert Koenen, Dale Van Patten | 2020-07-28 |
| 10697417 | Battery connections for battery start of internal combustion engines | Robert Koenen, Andrew Paskov | 2020-06-30 |
| 10634041 | Ignition system for internal combustion engine | Robert Koenen, Andrew Paskov | 2020-04-28 |
| 10550819 | Starter motor with integrated solid state switch | Robert Koenen | 2020-02-04 |