Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772327 | Easy-working spray concrete | Kurt Allemann, Hansjurgen Hass, Gunter Vogel | 1988-09-20 |
| 4504315 | Liquid accelerator for the setting of concrete mixtures | Kurt Allemann, Hansjurgen Hass, Gunter Vogel | 1985-03-12 |
| 4268485 | Process for the separation of radioactive impurities of baddeleyite | Arnold Lenz | 1981-05-19 |