Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353833 | Cationic dyes | Horst Bruder, Hans-Juergen Degen, Franz Feichtmayr, Udo Mayer | 1982-10-12 |
| 4323362 | Dyed paper | Hans-Juergen Degen | 1982-04-06 |
KG
Klaus Grychtol
Overall (1982): #11,035 of 81,411Top 15%
2
Patents 1982