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Greenlee Brothers and Co

Greenlee B
Active Patents
0
Total Holdings
4

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3572981A Hermetically sealed pump Expired / Lapsed 1969-07-01 1971-03-30 6 Details
US2952247A Manually operable reversing valve Expired / Lapsed 1957-10-07 1960-09-13 0 Details
US1401469A Mortising-tool Expired / Lapsed 1921-09-10 1921-12-27 0 Details
US1105553A Tool. Expired / Lapsed 1913-04-19 1914-07-28 0 Details