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US Patent: 625,867
Door-looking burglar-alarm
Patentee: Arza M. Benson (exact or similar names) - Cleveland, OH USPTO Classifications: 116/15 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: D. T. Davies J. C. Turner	Patent Dates: Applied: May 23, 1898 Granted: May 30, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for A. M. Benson

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