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US Patent: 2,833
Endless-chain horse-power
Patentee:
Albert W. Gray - Middletown, VT

USPTO Classifications:
185/16

Tool Categories:
agricultural machines : animal powered apparatus
propulsion and energy : animal powered apparatus

Assignees:
None

Manufacturer:
A. W. Gray's Sons - Middletown, VT

Witnesses:
E. Ross
C. B. Harrington

Patent Dates:
Granted: Oct. 26, 1842

Patent Pictures:
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"Vintage Machinery" entry for A. W. Gray's Sons/Middletown/VT
Description:
Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines.

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