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US Patent: 141,268
Improvement in links of endless chains for horse-powers
Patentee: Albert W. Gray (exact or similar names) - Middletown, VT USPTO Classifications: 185/16 Tool Categories: propulsion and energy : animal powered apparatus Assignees: Albert W. Gray - Middletown, VT Leonidas Gray - Middletown, VT Albert Y. Gray - Middletown, VT Manufacturer: A. W. Gray's Sons - Middletown, VT Witnesses: A. A. Greene A. Y. Gray	Patent Dates: Applied: Feb. 26, 1873 Granted: Jul. 29, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for A. W. Gray's Sons
Description: Of interest because A. W. Gray's Sons of Middletown, Vt., made sawing machines.

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