Lewis F. Empie

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Amherst, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum filtration system and method of filtering pulp fibers from p...
- Patent number 5,281,343
- Issue date Jan 25, 1994
- Ingersoll-Rand Company
- Frederick S. Lewis
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE