Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804722 | Resin solutions for cements and coating compositions, process for their preparation and their use | Klaus Rauhut | 1989-02-14 |
WH
Wolfgang Hesse
Overall (1989): #42,626 of 140,708Top 35%
1
Patents 1989