Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819557 | Flexibly coupled roller chain for threading a substrate web in a rotary web printing machine | — | 1989-04-11 |
| 4709872 | Web tension control and emergency stop system | Josef Hammer | 1987-12-01 |