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Automatic Switch Co

Automatic
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3300650A Power line failure detection system Expired / Lapsed 1963-04-12 1967-01-24 1 Details
US2775982A Differential-piston valve and dual pilot-valve control ther… Expired / Lapsed 1954-05-04 1957-01-01 0 Details