Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485256 | Method and apparatus for forming combined toner images | Francisco L. Ziegelmuller, Dennis R. Kamp, Sven Sonnenberg, Donald S. Rimai | 1996-01-16 |
| 5138389 | Imaging apparatus utilizing intermediate transfer member | — | 1992-08-11 |
| 5136338 | Method and apparatus for solid recovery of waste toner | Richard P. Greenaway, Thomas W. Bober | 1992-08-04 |
| 5132721 | Multipurpose imaging apparatus | — | 1992-07-21 |
| 5087945 | Method and apparatus for forming multicolor toner images | — | 1992-02-11 |
| 5070372 | Method and apparatus of forming combined toner images | — | 1991-12-03 |
| 5070371 | Method and apparatus for handling toner images | — | 1991-12-03 |
| 4734736 | Recirculating document feeder | — | 1988-03-29 |
| 4714241 | Recirculating document feeder | — | 1987-12-22 |
| 4688925 | Electrographic reproduction apparatus capable of producing duplex copies | — | 1987-08-25 |
| 4652112 | Compact console electrographic reproduction apparatus | — | 1987-03-24 |
| 4513074 | Stable conductive developer compositions | Robert James Nash | 1985-04-23 |