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JOHN A ROEBLING'S SONS Co

JOHN A ROE
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2642898A Control casing and manufacture thereof Expired / Lapsed 1948-09-30 1953-06-23 0 Details
US1961379A Machine for making wire rope Expired / Lapsed 1932-05-04 1934-06-05 0 Details