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US Patent: 450,151
Governor for steam-engines
Patentee:
Jonas Harrold (exact or similar names) - Columbiana, OH

USPTO Classifications:
73/494

Tool Categories:
propulsion and energy : steam engines : steam engine governors

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. S. Snyder
John D. Weaver

Patent Dates:
Applied: Dec. 26, 1890
Granted: Apr. 14, 1891

Patent Pictures:
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"Vintage Machinery" entry for Enterprise Co.
Description:
Inventor Harrold was deceased at the time the patent was applied for. He was likely related to the four brothers who between them founded and operated both Enterprise Manufacturing Co. and Crescent Machine Co.

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