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A Reyrolle and Co Ltd

A Reyrolle
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
FR1037874A Improvements to electromagnetic relays Expired / Lapsed 1951-05-30 1953-09-23 0 Details
US2302230A Method and apparatus for measuring the power factor of elec… Expired / Lapsed 1940-12-30 1942-11-17 0 Details
US1667655A Controlling or tripping apparatus for alternating-current e… Expired / Lapsed 1925-09-17 1928-04-24 0 Details