Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478509 | Control system and interface for electrostatographic machines | John W. Daughton, Gary A. Gray, Stephen A. Wilczek | 1984-10-23 |
| 4266294 | Copy reproduction machine with controller self check system | John W. Daughton, Stephen P. Wilczek | 1981-05-05 |
| 4227798 | Protection system for electrostatographic machines | — | 1980-10-14 |
| 4196476 | Reproduction machine with selectively disclosable programs | — | 1980-04-01 |
| 4181429 | Sample copy system for xerographic reproduction machine | Phillip J. Batchelor, Kenneth W. Laskowski, Gerald A. Gray, Jr., Stephen P. Wilczek, Henry E. Mannella | 1980-01-01 |