Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063844 | Offset rotary machine with at least one printing unit | — | 1991-11-12 |
| 4287537 | Method of reproducing graphic material on an intaglio form | Paul Pfau, Arthur Grunder | 1981-09-01 |