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All Patents of Type: electrical insulation | |||||
Number | Date | Patentee | Title | Type | |
491,708 | Feb. 14, 1893 | C.W. Jefferson | Electric Motor and Dynamo Mica Insulator | electrical insulation | |
2,502,068 | Mar. 28, 1950 | G.R. Anderson | Insulator for Wound Core Structures | electrical insulation |