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Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule

Gesellscha
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Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2896507A Arrangement for amplifying the light intensity of an optica… Expired / Lapsed 1953-04-06 1959-07-28 0 Details
US2564738A Method of forming a vacuum-tight bond between ceramics and … Expired / Lapsed 1947-07-02 1951-08-21 0 Details