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US Patent: 146,512
Improvement in making blind-slats
Patentee:
William W. Byam - Chicago, IL

USPTO Classifications:
144/5

Tool Categories:
woodworking machines : specialty machines : windowblind machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George L. Lord
Claud S. Cayley

Patent Dates:
Applied: Nov. 13, 1873
Granted: Jan. 20, 1874

Patent Pictures:
USPTO pdf tiff
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