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All Patents in class 16/441
Patents 1 - 3 of 3
First set of recordsLast set of records
6,817XOct. 31, 1831S. RichardsGlass knobs
140,735Jul. 08, 1873H.E. ShepardImprovement in plastic compositions for the manufacture of knobs and other molded articles
1,519,166Dec. 16, 1924P. RauchBrace Toolbrace wrenches
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