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US Patent: 146,512
Improvement in making blind-slats
Patentee: William W. Byam (exact or similar names) - Chicago, IL USPTO Classifications: 144/5 Tool Categories: woodworking machines : specialty woodworking machines : windowblind machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Claud S. Cayley George L. Lord	Patent Dates: Applied: Nov. 13, 1873 Granted: Jan. 20, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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