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MASTER SPECIALTIES Co

MASTER SPE
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3303396A Delayed pull in time delay relay Expired / Lapsed 1964-01-22 1967-02-07 2 Details
US3188623A Free running multivibrator circuit energizing an indicator … Expired / Lapsed 1960-02-08 1965-06-08 2 Details