Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369532 | Control system for an electric motor having an integral flywheel rotor | Robert Koenen | 2002-04-09 |
| 5713320 | Internal combustion engine starting apparatus and process | Joseph L. Pfaff | 1998-02-03 |
| 5445014 | Electronic engine load and revolution sensing device | John A. Fiorenza, II, Richard A. Dykstra, Joseph L. Pfaff, Douglas Shears | 1995-08-29 |