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US Patent: 176,141
Cut-Offs and Gears
Patentee:
John Knowlson (exact or similar names) - Troy, Rensselaer County, NY

USPTO Classifications:
91/333

Tool Categories:
propulsion and energy : steam engines : steam engine valve gear

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 27, 1876
Granted: Apr. 18, 1876

Patent Pictures:
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