Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4447174 | Cap positioning mechanism | Kunibert Becker, Gunter Lagodka, Rudiger Kirchbrucher | 1984-05-08 |
| 4401399 | Two part mine roof support unit | Kunibert Becker, Burckhard Elsner | 1983-08-30 |
| 4217067 | Mine roof support assembly | Gunter Lagodka, Harry Rosenberg, Kunibert Becker | 1980-08-12 |