Peter J. Gillis

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Carstairs, CA

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Patents Grantslast 30 patents

Information Patent Grant
Rotational impact drill assembly
- Patent number 6,742,609
- Issue date Jun 1, 2004
- United Diamond Ltd.
- Peter J. Gillis
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Rotational impact drill assembly
- Publication number 20020166700
- Publication date Nov 14, 2002
- Peter J. Gillis
- E21 - EARTH DRILLING MINING