Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353638 | Copying apparatus | — | 1982-10-12 |
| 4318609 | Dual mode copying apparatus for copying thick and sheet originals | Friedel Stillger | 1982-03-09 |
WK
Wilhelm Knechtel
Overall (1982): #6,355 of 81,411Top 8%
2
Patents 1982