Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4344804 | Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles | Johann Jansen | 1982-08-17 |
| 4344910 | Process for the manufacture of water-hardening material | — | 1982-08-17 |
| 4345001 | Process for the manufacture of water-hardening material reinforced with open meshed films | — | 1982-08-17 |