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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:
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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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