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Osborn Manufacturing Corp

Osborn Man
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3134122A Self-regulating brushing tool Expired / Lapsed 1961-05-31 1964-05-26 2 Details
US2511004A Brush material and brushes made therefrom Expired / Lapsed 1943-12-13 1950-06-13 2 Details
US2288337A Rotary brush section Expired / Lapsed 1939-06-26 1942-06-30 0 Details