Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308032 | Rotatable charging apparatus, and printing machine including the same | Scott D. Weber, Kenneth W. Pietrowski, John S. Facci, Heiko Rommelmann, Alberto Rodriguez +1 more | 2001-10-23 |
| 5819141 | Control of fluid carrier resistance and liquid concentration in an aquatron charging device | John S. Facci, Michael J. Levy | 1998-10-06 |