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US Patent: 1,729,828
Display device
Patentee: Emil F. Hager (exact or similar names) - Richmond Hill, NY USPTO Classifications: 108/22 Tool Categories: Assignees: None Manufacturer: E. F. Hager & Son - Queens Village, NY Witnesses: Unknown	Patent Dates: Applied: Feb. 28, 1928 Granted: Oct. 01, 1929 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. F. Hager & Son

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