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Patents Granted on 1921-06-21
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,381,900Jun. 21, 1921W. BarnesSocket Wrenchwrench handle components
1,381,997Jun. 21, 1921Handsaw
1,382,320Jun. 21, 1921C. Yunker, E. RileyBolt and Nut Holdersocket wrenches
1,382,339Jun. 21, 1921E.P. Bullard, Jr.Tool Slide for Machine Toolsvertical boring mills
1,382,340Jun. 21, 1921E.P. Bullard, Jr.Controling Means for Machine Toolsmachine tool controls
1,382,460Jun. 21, 1921K. BerglofMicrometer Protractorprotractors
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