Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711552 | Synchronizing electrostatic copy formation | Roger D. Shepherd | 1987-12-08 |
| T101801 | Apparatus and method for accurately setting a gap between mating surfaces on a copier magnetic brush drum and roller | James E. Bierschbach, Raymond A. Daniels, Robert L. Fey, Roberta R. Tanner | 1982-05-04 |
| 4312589 | Charge density control for an electrostatic copier | Robert C. Brannan, Harvey R. Markham | 1982-01-26 |