Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690857 | Thermochromic effect pigment and process for producing the same | Karl Osterried, Ian C. Sage | 1997-11-25 |
MH
Magarete Herbski
Overall (1997): #110,353 of 185,788Top 60%
1
Patents 1997