Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500198 | Multiple roller magnetic brush developer having development electrode voltage switching | — | 1985-02-19 |
| 4439034 | Method and apparatus for purging a copier developer | — | 1984-03-27 |
| 4332461 | Electrical drive for scanning optics in a continuously variable reduction copier | Norman Cail, John B. Eggerling, Gerald B. Lammers | 1982-06-01 |
| T101801 | Apparatus and method for accurately setting a gap between mating surfaces on a copier magnetic brush drum and roller | James E. Bierschbach, Robert L. Fey, Ben A. Nilsson, Roberta R. Tanner | 1982-05-04 |