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Electric Tachometer Corp

Electric T
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3327312A Multi-channel thermal recorder Expired / Lapsed 1964-12-22 1967-06-20 2 Details
US1536021A Step-by-step motor Expired / Lapsed 1922-03-11 1925-04-28 0 Details