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B-I-F Ind Inc

B-I-F Ind
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2741986A Pumping system Expired / Lapsed 1949-06-18 1956-04-17 0 Details
US2672600A Telemetric apparatus Expired / Lapsed 1951-12-13 1954-03-16 0 Details