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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:
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