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US Patent: 1,507,381
Commutator-slotting machine
Patentee: William Jannell (exact or similar names) - West Park, OH USPTO Classifications: 279/5, 409/164, 409/221, 74/817, 74/823 Tool Categories: electrical devices : electric motors : electric motor making Assignees: Domestic Electric Co. - Cleveland, OH Manufacturer: Domestic Electric Co. - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: Dec. 03, 1920 Granted: Sep. 02, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Domestic Electric Co.

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