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Commercial Shearing Inc

Commercial
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3421769A Shaft seals Expired / Lapsed 1964-08-27 1969-01-14 2 Details
US2714856A Rotary pump or motor Expired / Lapsed 1950-01-18 1955-08-09 0 Details
US1991227A Control valve Expired / Lapsed 1932-07-30 1935-02-12 0 Details