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US Patent: 133,773
Improvement in machines for corrugating metal plates
Patentee: Albert W. Gray (exact or similar names) - Middletown, VT USPTO Classifications: 72/385 Tool Categories: Assignees: Albert W. Gray - Middletown, VT Leonidas Gray - Middletown, VT Albert Y. Gray - Middletown, VT Manufacturer: A. W. Gray's Sons - Middletown, VT Witnesses: Osborne Myrick Albert A. Greene	Patent Dates: Granted: Dec. 10, 1872 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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