Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317875 | Recording material containing diazo compounds and process for the manufacture thereof | Siegfried Scheler | 1982-03-02 |
KT
Klaus Thoese
Overall (1982): #47,907 of 81,411Top 60%
1
Patents 1982