Frank J. Merchel III

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Salem, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
V-notch seal for non-flooded zone of disc filter valve
- Patent number 5,529,319
- Issue date Jun 25, 1996
- Ingersoll-Rand Company
- Calvin C. Chase
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Anti-rewet deck for press rolls
- Patent number 5,470,471
- Issue date Nov 28, 1995
- Ingersoll-Rand Company
- Oscar Luthi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE