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US Patent: RE6,247
Improvement in horse-powers
Patentee:
James M. Albertson (exact or similar names) - New London, CT

USPTO Classifications:
74/420

Tool Categories:
propulsion and energy : animal powered apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Nathaniel A. Chapman
Coleby C. Jeffery
Patent Dates:
Applied: Nov. 27, 1874
Granted: Jan. 26, 1875

Reissue Information:
Reissue of 89,825 (May 04, 1869)

Patent Pictures:
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