Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433868 | Cab for walk-behind tractor | Daniel Schaefer, Michael Lee Dawson | 1984-02-28 |
| 4396081 | Mechanism for indicating drive engaging force | Daniel Schaefer | 1983-08-02 |
| 4376345 | Flexible seal for a pivot joint in a snow thrower chute | — | 1983-03-15 |