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US Patent: 144,388
Improvement in head-blocks
Patentee:
Perley M. Cummings (exact or similar names) - Lyons, IA

USPTO Classifications:
74/156, 83/722

Tool Categories:
woodworking machines : sawmills : sawmill headblocks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. S. Darling
William W. Sanborn
Patent Dates:
Applied: Sep. 12, 1873
Granted: Nov. 11, 1873

Patent Pictures:
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