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US Patent: 6,682X
Horse power
Patentee:
Calvin Emmons (exact or similar names) - New York, NY

USPTO Classifications:
185/19

Tool Categories:
propulsion and energy : animal powered apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Aug. 02, 1831

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Calvin Emmons
Description:
The inventor also had a patent for a planing machine, patent 5,648 (reissued as patent RE170).

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