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US Patent: 531,517
Dust-collector
Patentee: Emil R. Draver (exact or similar names) - Alliance, NE USPTO Classifications: 209/154, 209/29, 55/296, 55/300, 55/434 Tool Categories: Assignees: Florence N. Draver - Alliance, NE Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Dec. 25, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Draver Mfg. Co.

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