Duane C. Johnson

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Joplin, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Cutting head for fluid jet machine with indexing focusing device
- Patent number 7,922,566
- Issue date Apr 12, 2011
- KMT Waterjet Systems Inc.
- Shajan V. Chacko
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Cutting head for fluid jet machine with indexing focusing device
- Publication number 20080032610
- Publication date Feb 7, 2008
- KMT Waterjet Systems Inc.
- Shajan V. Chacko
- B24 - GRINDING POLISHING