DFI CORPORATION

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Dual seam electric resistance welded tubes
- Patent number 8,987,627
- Issue date Mar 24, 2015
- DFI Corporation
- Eric Berube
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

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Patents Applicationslast 30 patents

Information Patent Application
DUAL SEAM ELECTRIC RESISTANCE WELDED TUBES
- Publication number 20150174632
- Publication date Jun 25, 2015
- DFI CORPORATION
- Eric BERUBE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DUAL SEAM ELECTRIC RESISTANCE WELDED TUBES
- Publication number 20110308660
- Publication date Dec 22, 2011
- DFI CORPORATION
- Eric BERUBE
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR