David P. Westfall

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Bristol, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Cup-shaped porous metal ultra-high efficiency filter and method of...
- Patent number 5,937,263
- Issue date Aug 10, 1999
- Mott Metallurgical Corporation
- Mark R. Eisenmann
- B22 - CASTING POWDER METALLURGY