Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4255040 | Positive overlay electronic xerographic printer | John W. Weigl, Louis D. Mailloux | 1981-03-10 |
| 4234250 | Electrophotographic printing system | Louis D. Mailloux | 1980-11-18 |