Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159656 | Optical fiber scanning/imaging/printing system | — | 1992-10-27 |
| 5049900 | Knurled roller film transport and realted method | Harvey Bidner | 1991-09-17 |
| 4683187 | Dry process electrostatic developer comprising a generally round magnetic carrier and a flake-type carrier | John F. Cooper | 1987-07-28 |
| 4613877 | High resolution laser printer | David R. Spencer, David Grey, Theodore G. Balchunas, Arthur B. Kaplan | 1986-09-23 |
| 4578689 | Dual mode laser printer | David R. Spencer | 1986-03-25 |
| 4208009 | Document reading system | Carl O. Markkanen, William G. Benson | 1980-06-17 |
| 4189217 | Document printing system | Robert W. Swett, David Greenwood | 1980-02-19 |