Philip Stanley Roots

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Whitwick, GB

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Patents Grantslast 30 patents

Information Patent Grant
Fishtail bore seal
- Patent number 7,819,439
- Issue date Oct 26, 2010
- Sub-Drill Supply Limited
- Alan Stewart Paton
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Bimetal bore seal
- Publication number 20080048443
- Publication date Feb 28, 2008
- Sub-drill Supply Limited
- Alan Stewart Paton
- E21 - EARTH DRILLING MINING