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KELLER TOOL CO

KELLER TOO
Active Patents
0
Total Holdings
5

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2543942A Power-operated nail driver Expired / Lapsed 1947-11-08 1951-03-06 0 Details
US2464997A Lubrication of rotary expansible chamber sliding vane tool … Expired / Lapsed 1944-01-08 1949-03-22 0 Details
US2402212A Operation controlling means for pressure fluid actuated too… Expired / Lapsed 1942-08-12 1946-06-18 0 Details
US2344740A Hose coupling device Expired / Lapsed 1942-08-01 1944-03-21 0 Details
US646702A Rotary motor. Expired / Lapsed 1899-08-26 1900-04-03 0 Details