Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4601000 | Electrohydraulic control system for a rockdrill assembly | — | 1986-07-15 |
| 4558763 | Muffler for a pneumatic hammer | — | 1985-12-17 |
| 4508017 | Fluid-control system for a hydraulic percussion instrument | — | 1985-04-02 |
| 4364540 | Support-arm assembly for a drill or borer, particularly for subterranean applications | — | 1982-12-21 |
| 4308926 | Pneumatically cushioned percussion apparatus | — | 1982-01-05 |