Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31946 | Process for consolidating and sealing off geological and artificially deposited rock and earth formations | Frank Meyer, Hans Mehesch, Rolf Kubens | 1985-07-16 |
| 4475847 | Process for consolidation and sealing of geological formations and artificial beds of rock, earth, and coal | Wolfgang Cornely, Hans Mehesch, Frank Meyer, Rolf Kubens | 1984-10-09 |
| 4307980 | Process for consolidating and sealing off geological and artificially deposited rock and earth formations | Frank Meyer, Hans Mehesch, Rolf Kubens | 1981-12-29 |