Ernest E. Hamsag

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Chene-Bougeries, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for sealing a primary cell
- Patent number 4,240,197
- Issue date Dec 23, 1980
- Saft-Societe des Accumulateurs Fixes et de Traction
- Ernest E. Hamsag
- H01 - BASIC ELECTRIC ELEMENTS