William G. Freer

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Saint-Blaise, CH

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Patents Grantslast 30 patents

Information Patent Grant
Passive electro-optic display cell and method of manufacturing thereof
- Patent number 4,391,491
- Issue date Jul 5, 1983
- Ebauches Electroniques, S.A.
- William G. Freer
- G02 - OPTICS
Information Patent Grant
Method for the manufacture of a set of passive electro-optic displa...
- Patent number 4,255,848
- Issue date Mar 17, 1981
- Ebauches Electroniques S.A.
- William G. Freer
- G02 - OPTICS