Montabert; Roger
Patent Applications and Registrations
Patent applications and USPTO patent grants for Montabert; Roger.The latest application filed is for "electrohydraulic control system for a rockdrill assembly".
- Montabert; Roger - Lyons FR
- Montabert; Roger - Bron FR
- Montabert; Roger - Bron Rhone
| Patent | Date |
|---|---|
| Electrohydraulic control system for a rockdrill assembly Grant 4,601,000 - Montabert July 15, 1 | 1986-07-15 |
| Muffler for a pneumatic hammer Grant 4,558,763 - Montabert December 17, 1 | 1985-12-17 |
| Fluid-control system for a hydraulic percussion instrument Grant 4,508,017 - Montabert April 2, 1 | 1985-04-02 |
| Support-arm assembly for a drill or borer, particularly for subterranean applications Grant 4,364,540 - Montabert December 21, 1 | 1982-12-21 |
| Hydraulic percussion apparatus Grant 4,165,788 - Montabert August 28, 1 | 1979-08-28 |
| Percussion machine Grant 4,109,734 - Montabert August 29, 1 | 1978-08-29 |
| Rock Drill Grant 3,822,752 - Montabert July 9, 1 | 1974-07-09 |
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