Nam Lieu

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American Fork, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
O.D. centerless grinding machine
- Patent number 7,828,627
- Issue date Nov 9, 2010
- David R. Hall
- B24 - GRINDING POLISHING
Information Patent Grant
O.D. centerless grinding machine
- Patent number 7,677,954
- Issue date Mar 16, 2010
- David R. Hall
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
O.D. Centerless Grinding Machine
- Publication number 20100035517
- Publication date Feb 11, 2010
- David R. Hall
- B24 - GRINDING POLISHING
Information Patent Application
O.D. Centerless Grinding Machine
- Publication number 20080293328
- Publication date Nov 27, 2008
- David R. Hall
- B24 - GRINDING POLISHING