Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178943 | Metallic watch strap | Markus Kaiser | 2021-11-23 |
| 4772327 | Easy-working spray concrete | Klaus Deneke, Hansjurgen Hass, Gunter Vogel | 1988-09-20 |
| 4504315 | Liquid accelerator for the setting of concrete mixtures | Klaus Deneke, Hansjurgen Hass, Gunter Vogel | 1985-03-12 |