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US Patent: 33,693
Improved Exhaust-Fan
Patentee:
Ransom Cook (exact or similar names) - Saratoga Springs, NY

USPTO Classifications:
411/960, 415/182.1

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Simon Milligan
M. T. Cook
Patent Dates:
Granted: Nov. 12, 1861

Patent Pictures:
USPTO (New site tip)
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