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US Patent: 153,323
Improvement in machines for making window-blinds
Patentee:
Louis Duennisch (exact or similar names) - Sandusky, OH

USPTO Classifications:
144/114.1, 144/5

Tool Categories:
woodworking machines : specialty woodworking machines : windowblind machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jay C. Butler
W. Berrigan

Patent Dates:
Applied: Apr. 28, 1874
Granted: Jul. 21, 1874

Patent Pictures:
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