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CLEDISC INTERNATIONAL B.V.
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AMSTERDAM-DIEMEN, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary drilling device
Patent number
4,936,398
Issue date
Jun 26, 1990
Cledisc International BV
David H. Auty
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drilling device
Patent number
4,832,143
Issue date
May 23, 1989
Cledisc International BV
Oscar Kaalstad
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary drilling device
Patent number
4,790,397
Issue date
Dec 13, 1988
Cledisc International BV
Oscar Kaalstad
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73617576 - CLEDISC
Serial number
73617576
Filing date
Sep 2, 1986
CLEDISC INTERNATIONAL B.V.
7 - Machines and machine tools
Information
Trademark
73617575
Serial number
73617575
Filing date
Sep 2, 1986
CLEDISC INTERNATIONAL B.V.
7 - Machines and machine tools