Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D798922 | Cutting head for rotary drill | Ruy Frota de Souza Filho, Juergen Schwaegerl, Horst Jaeger, Berthold Heinrich Zeug, Nicholas J. Henry | 2017-10-03 |
| 9643262 | Coupling mechanism for cutting tool | Ruy Frota de Souza, Leonid Boris Sharivker, Sergei Vladimir Boulakhov, Christoph Gey, Yosi Harush +2 more | 2017-05-09 |
| 9643264 | Coupling mechanism for cutting tool | Ruy Frota de Souza, Leonid Boris Sharivker, Sergei Vladimir Boulakhov, Christoph Gey, Yosi Harush +2 more | 2017-05-09 |