Robert S. Mufasalow

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Patents Grantslast 30 patents

Information Patent Grant
Installation for cleaning the zone near the drill hole
- Patent number 5,311,955
- Issue date May 17, 1994
- Wave Tec Ges.m.b.H.
- Rifner W. Ganijew
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus
- Patent number 5,303,784
- Issue date Apr 19, 1994
- Wave Tec Ges.m.b.H.
- Wsewolod S. Awdujewski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus of the cutting and shearing type
- Patent number 5,220,966
- Issue date Jun 22, 1993
- Wave Tec G.m.b.H.
- Wsewolod S. Awdujewski
- E21 - EARTH DRILLING MINING