Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205911 | Cathode restoration | Rudolf Matousek, Anthony J. Vaccaro | 1993-04-27 |
| 4759907 | Feeder device and method for adding solid material to a liquid of variable flow rate | Philip J. Zivich, Bonnie I. Nelson | 1988-07-26 |