Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831409 | Electric vehicle propulsion system employing AC induction motor control | Frank A. Lindberg, David L. Schantz, Jr., Brian H. Smith, Charles S. Kerfoot, Joseph J. Springer +17 more | 1998-11-03 |
| 5569966 | Electric vehicle propulsion system power bridge with built-in test | David L. Schantz, Jr. | 1996-10-29 |