Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621459 | Segmented platen with diaphragm cylinder control | Lee E. Stump, Eugene C. David | 1986-11-11 |
| 4527359 | Segmented platen with diaphragm cylinder control | Lee E. Stump, Eugene C. David | 1985-07-09 |