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US Patent: 287,170
Electric cane
Patentees: Alfred W. Roovers (exact or similar names) - Brooklyn, NY Alexander H. Roovers (exact or similar names) - Brooklyn, NY USPTO Classifications: 135/65, 162/181.9, 336/66, 336/92, 361/232, 361/268, 607/115 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: James T. Graham C. Sedgwick	Patent Dates: Applied: Apr. 21, 1883 Granted: Oct. 23, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen

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