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US Patent: 112,666
Improvement in blind-slat machines
Patentee: George F. Woolston (exact or similar names) - Washington, DC USPTO Classifications: 144/252.1, 144/41, 69/6 Tool Categories: woodworking machines : specialty woodworking machines : windowblind machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Edwin A. Stevens James Stokes	Patent Dates: Granted: Mar. 14, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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