Chao; Hao Chien

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South Pasadena, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ergonomically friendly random orbital sander construction
- Patent number 6,004,197
- Issue date Dec 21, 1999
- Chao; Hao Chien
- Paul W. Huber
- B24 - GRINDING POLISHING