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US Patent: 1,360,165
Method for making commutators
Patentee: Charles C. Zenk (exact or similar names) - Wilkinsburg, PA USPTO Classifications: 264/261, 264/277, 29/597, 310/235 Tool Categories: woodworking machines : machine making Assignees: Diehl Mfg. Co. - Elizabeth, NJ Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1912 Granted: Nov. 23, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Diehl Mfg. Co.
Description: A method of making the molded commutators in patent 1,255,681.

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