Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860060 | Microfiche printing system and method | Walter E. Janik | 1989-08-22 |
| 4842402 | Projection and viewing apparatus | — | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860060 | Microfiche printing system and method | Walter E. Janik | 1989-08-22 |
| 4842402 | Projection and viewing apparatus | — | 1989-06-27 |