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MEAF Machinerieen en Apparaten Fabrieken NV

MEAF Machi
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Total Holdings
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Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
GB440238A Improvements in or relating to arrangements for the conduct… Expired / Lapsed 1935-04-27 — 0 Details
GB429783A Improvements in electrical distributive circuits Expired / Lapsed 1933-12-29 — 0 Details
US2128233A Electron tube Expired / Lapsed 1935-03-01 1938-08-30 0 Details
US2128232A Electron tube Expired / Lapsed 1935-01-23 1938-08-30 0 Details
US2128231A High frequency oscillator tube Expired / Lapsed 1934-10-11 1938-08-30 0 Details
US2114232A Searchlight Expired / Lapsed 1935-12-03 1938-04-12 0 Details
US2090033A Short wave discharge tube Expired / Lapsed 1933-10-20 1937-08-17 0 Details
US2083317A Device controlled by radiated energy Expired / Lapsed 1934-12-06 1937-06-08 0 Details
US2076335A Selecting device Expired / Lapsed 1933-12-29 1937-04-06 0 Details
US2045224A Duplex communication system Expired / Lapsed 1932-11-07 1936-06-23 0 Details
DE629162C Adjustable throttle Expired / Lapsed 1934-07-28 1936-04-23 0 Details