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US Patent: 2,023,421
Flexible power transmission device
Patentee: Don Heyer (exact or similar names) - Los Angeles, CA USPTO Classifications: 428/156, 474/252, 474/262, 474/271 Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: United States Electrical Mfg. Co. - Los Angeles, CA Manufacturer: U. S. Electrical Motors, Inc. - Los Angeles, CA Witnesses: Unknown	Patent Dates: Applied: Apr. 20, 1931 Granted: Dec. 10, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for U.S. Electrical Mfg. Co. | U.S. Electrical Motors, Inc.

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