Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4234380 | Polymeric silicate material and a method of manufacturing the same | Hedvig E. B. Hassler, Kai deen | 1980-11-18 |
| 4205455 | Method and an apparatus for steam curing agglomerates | — | 1980-06-03 |