Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332893 | Imaging system and device having a simplified electrode design | John E. Potts, Owen L. Nelson | 1994-07-26 |
| 4961209 | System for measuring the charge distribution on a photoreceptor surface | John Rowlands, Herbert J. Davis | 1990-10-02 |