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Patents Granted on 1923-05-15
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
CA-230,995May 15, 1923W.H. CookFixed Jaw Ratchetting Spannernut wrenches
CA-231,124May 15, 1923A.J. ParkhurstAnti-skid device
1,455,042May 15, 1923F. BuckJoint for folding rulesfolding rule joints
1,455,049May 15, 1923F. HardingeOil burnerindustrial furnaces
1,455,147May 15, 1923W.J. O'NeillWrench and the Likeratchet wrenches
1,455,282May 15, 1923E.P. Bullard, Jr.Indexing Devicemetalworking machine mechanisms
1,455,283May 15, 1923E.P. Bullard, Jr.Electric-Operating Chucking Devicevertical boring mills
1,455,391May 15, 1923F. DiehlSewing-machine-motor bracket
1,455,405May 15, 1923J.F. NagleFixture for Grinding Beveled Chiselsgrinding fixtures
1,455,423May 15, 1923C.P. BrownWrenchquick adjust wrenches
1,455,424May 15, 1923C.P. BrownQuick-release chuck.
1,455,556May 15, 1923W.H. ThorneClamping Mechanism for Machine Toolsmetal planers
1,455,564May 15, 1923Combination Tool
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