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US Patent: 154,165
Improvement in core-boxes for metallic hubs
Patentee:
Charles G. Allen (exact or similar names) - Barre, MA

USPTO Classifications:
164/232

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Carroll D. Wright
Samuel M. Barton

Patent Dates:
Applied: Mar. 30, 1874
Granted: Aug. 18, 1874

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Chas. G. Allen Co.

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