Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871594 | Use of aqueous cationic dispersions of synthetic resins for impregnating and priming of absorbent substrates | Erhard Bister, Werner Stelzel | 1989-10-03 |
HH
Hans-Ullrich Huth
Overall (1989): #108,503 of 140,708Top 80%
1
Patents 1989