Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5268714 | Microfiche to microfilm reformatter, microfiche copier, process of reformatting microfiche to microfilm, and process of copying microfiche | John P. Van der Kruik, Herbert W. Ogden | 1993-12-07 |
| 4912517 | High-volume projector and rotary xerographic processor | John P. Van der Kruik | 1990-03-27 |