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Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule

Gesellscha
Active Patents
0
Total Holdings
7

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3617778A Electronic circuit arrangement with at least one integrated… Expired / Lapsed 1969-06-11 1971-11-02 33 Details
US2927959A Device for reproducing a television picture with cathode-ra… Expired / Lapsed 1952-08-26 1960-03-08 0 Details
US2896507A Arrangement for amplifying the light intensity of an optica… Expired / Lapsed 1953-04-06 1959-07-28 0 Details
US2892380A Arrangement for amplifying the light intensity of an optica… Expired / Lapsed 1956-01-16 1959-06-30 0 Details
FR1075866A Device for amplifying the light intensity of an optically p… Expired / Lapsed 1953-04-14 1954-10-20 0 Details
US2644938A Schlieren cathode-ray light modulator with modulating liqui… Expired / Lapsed 1949-03-05 1953-07-07 0 Details
US2564738A Method of forming a vacuum-tight bond between ceramics and … Expired / Lapsed 1947-07-02 1951-08-21 0 Details