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Johnson Service Co

Johnson Se
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3913344A Fluid energy monitoring apparatus Expired / Lapsed 1974-10-15 1975-10-21 22 Details
US3832688A Status sensing and transmitting circuit Expired / Lapsed 1972-12-15 1974-08-27 19 Details