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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