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US Patent: 842,036
Sieve Holder
Patentee: Edward J. Vraalstad (exact or similar names) - Buffalo, Erie County, NY USPTO Classifications: 209/313, 209/319 Tool Categories: agricultural : threshers and thrashers Assignees: Edward J. Vraalstad - Buffalo, Erie County, NY Buffalo Pitts Co. - Buffalo, Erie County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 11, 1906 Granted: Jan. 22, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Buffalo Pitts Co.

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