Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829106 | Molding materials based on curable unsaturated polyester resins and having a long shelf life | Jan Holoch, Alfred Guthmann, Hans-Juergen Christoph | 1989-05-09 |
HK
Heinz B. Kemper
Overall (1989): #106,730 of 140,708Top 80%
1
Patents 1989