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Heckethorn Manufacturing and Supply Co

Heckethorn
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2785016A Flexible nozzles Expired / Lapsed 1955-09-26 1957-03-12 0 Details
US2446496A Method of making gas cocks Expired / Lapsed 1947-05-05 1948-08-03 0 Details