Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686163 | Electrophotographic color imaging method | Yee S. Ng, Lawrence E. Contois, James Walling | 1987-08-11 |
| 4600669 | Electrophotographic color proofing element and method for using the same | Yee S. Ng, Lawrence E. Contois, James Walling | 1986-07-15 |
| 4506690 | Pressure regulator system | — | 1985-03-26 |
| 4493881 | Electrophotographic method for producing black and color separation images | Stephen Michel | 1985-01-15 |
| 4481702 | Method of assembling threaded insert bushing within a working material | — | 1984-11-13 |
| 4445532 | Pressure regulator system | — | 1984-05-01 |
| 4304258 | Solenoid valve assembly | — | 1981-12-08 |
| 4264182 | Electrographic apparatus having improved development structure | — | 1981-04-28 |