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| Patents for Perkins Electric Switch Mfg. Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 626,927 | Jun. 13, 1899 | C.C. Perkins | Incandescent-lamp socket | |
 | 664,189 | Dec. 18, 1900 | G.B. Thomas | Electrical-switch cap | |
 | 1,038,995 | Sep. 17, 1912 | A.F. Wallbillich | Electric switch | |
 | 1,161,752 | Nov. 23, 1915 | G.B. Thomas | Electric switch | |