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All Patents in class 411/389
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
188,668Mar. 20, 1877J. PleukharpImprovement in screws
313,193Mar. 03, 1885E.L. GaylordDevice for Locking Joints
1,662,094Mar. 13, 1928E.J. WespAdjustable bearingmetal shears
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