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Patents Granted on 1942-04-28
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,281,307Apr. 28, 1942E.L. JohnsonCommutator lathe and mica trimmercommutator dressing machines
2,281,353Apr. 28, 1942K.D. HubbardFull Universal All-Speed Milling Attachmentmilling machine accessories
2,281,400Apr. 28, 1942H.R. WelbyLubricating Deviceflange lubricators
2,281,416Apr. 28, 1942G.H. CoteTool Holdermetalworking machine tool holders
2,281,420Apr. 28, 1942J.C. DraderBuilt Up Abrasivegear cutting tools
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