Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760505 | Apparatus and method for introducing wire slack in stator windings | Adnan M. Farou | 1998-06-02 |
| 4698534 | Quiet by-pass vacuum motor | Francis E. Smith, Leonard J. Kline, Jr. | 1987-10-06 |
| 4621991 | Quiet by-pass vacuum motor | Francis E. Smith, Leonard J. Kline, Jr. | 1986-11-11 |
| RE32027 | Wet pick-up vacuum unit motor bearing air seal | Norbert Niessner | 1985-11-12 |
| 4226575 | Wet pick-up vacuum unit | Norbert Niessner, Richard D. Sumser | 1980-10-07 |