Per Andre Selzer

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Koge, DK

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Patents Grantslast 30 patents

Information Patent Grant
Drilling system and a device for assembling and disassembling pipe...
- Patent number 9,303,468
- Issue date Apr 5, 2016
- National Oilwell Varco Norway AS
- Per Andre Selzer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drilling System and a Device for Assembling and Disassembling Pipe...
- Publication number 20130206478
- Publication date Aug 15, 2013
- National Oilwell Varco Norway AS
- Per Andre Selzer
- E21 - EARTH DRILLING MINING