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US Patent: 1,581,237
Telephone receiver
Patentee: Milton H. Spielman (exact or similar names) - Cleveland, OH USPTO Classifications: 381/394, 381/412 Tool Categories: Assignees: Domestic Electric Co. - Cleveland, OH Manufacturer: Domestic Electric Co. - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: Dec. 04, 1922 Granted: Apr. 20, 1926 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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