Evald Holstad

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Patents Grantslast 30 patents

Information Patent Grant
Plug for setting in a pipe
- Patent number 8,333,219
- Issue date Dec 18, 2012
- Evald Holstad
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Plug for Setting in a Pipe
- Publication number 20110278022
- Publication date Nov 17, 2011
- Evald Holstad
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...