Russell J. Lewis

Follow

Person

Lebanon, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Wear indicator for refractory linings
- Patent number 6,686,752
- Issue date Feb 3, 2004
- Fisher-Klosterman, Inc.
- William L. Heumann
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...