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All Patents in class 81/31
Patents 16 - 22 of 22
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
1,436,640Nov. 28, 1922J.C. BlevneyRatchet tool
1,436,641Nov. 28, 1922J.C. BlevneyRatchet tool
1,825,936Oct. 06, 1931C. BodmerRatchet mechanism
2,058,855Oct. 27, 1936J.W. ChapmanYankee 3400ratcheting screwdrivers
CA-522,892Mar. 20, 1956P.W. Sandrock, G.C. FratzTool Handlewrench handle components
CA-524,280Apr. 24, 1956P.W. Sandrock, G.C. FratzTool Handle Attachment and Method of Making Itwrench handle components
2,818,739Jan. 07, 1958V.O. DowdleSqueeze driven rotating devicespiral screwdrivers
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