Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4298277 | Grooved vacuum belt document handling system | — | 1981-11-03 |
| 4295737 | Grooved belt document registration system | — | 1981-10-20 |
| 4291974 | Dual mode document belt system | — | 1981-09-29 |
| 4286870 | Document belt with discrete vacuum areas | — | 1981-09-01 |
| 4285590 | Precession scanning system for copier device | — | 1981-08-25 |
| 4284270 | Stack for bottom sheet feeder | — | 1981-08-18 |
| 4279496 | Belt support system | — | 1981-07-21 |
| 4275877 | Interrupted jet air knife for sheet separator | — | 1981-06-30 |
| 4206994 | Belt tensioning system | Ralph A. Hamaker | 1980-06-10 |
| 4198155 | Photoconductive belt assembly | — | 1980-04-15 |
| 4197002 | Pneumatic system for supporting and steering a belt | Ralph A. Hamaker | 1980-04-08 |
| 4189223 | Steering and supporting system for a photoconductive belt | — | 1980-02-19 |