Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883742 | Seamless and firm joining of the end and/or lateral areas of photosensitive layers | Guenter Wallbillitch | 1989-11-28 |
| 4871650 | Coating plate cylinders or sleeves with a continuous, seamless photosensitive layer | Guenter Wallbillich | 1989-10-03 |