Norman J. LaMontagne Jr.

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Westport, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tarnish resistant gold colored alloy
- Patent number 5,409,663
- Issue date Apr 25, 1995
- Arthur D. Taylor
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...