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US Patent: 117,471
Improvement in machines for making blind-slats
Patentee: Paul Schumacher (exact or similar names) - San Francisco, CA USPTO Classifications: 144/42 Tool Categories: woodworking machines : specialty woodworking machines : windowblind machines Assignees: None Manufacturer: Not known to have been produced Witnesses: George H. Strong John L. Boone	Patent Dates: Granted: Jul. 25, 1871 Antedated: Jul. 24, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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