Robert R. Freyvogel

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Butler, PA, US

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Patents Applicationslast 30 patents

Information Patent Application
Oil or gas drilling tool block with textured coating
- Publication number 20150115635
- Publication date Apr 30, 2015
- Carbinite Metal Coatings
- Robert R. Freyvogel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...