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All Patents of Type: wrench adjustment types
Patents 1 - 7 of 7
First set of recordsLast set of records
76,519Apr. 07, 1868A.S. PetrieImprovement inWrenchesnut wrenches
447,379Mar. 03, 1891J.H. StilesWrenchwrench adjustment types
539,890May 28, 1895E.A. CochranWrenchwrench adjustment types
613,213Oct. 25, 1898W.F. MurphyWrenchwrench adjustment types
674,278May 14, 1901J. McNuttWrench and Clampbar and pipe clamps
1,218,316Mar. 06, 1917M.A. RiceWrenchwrench adjustment locks
2,452,625Nov. 02, 1948H. AlpersScrew and Toggle Adjusted Wrench and Clampwrench adjustment types
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