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US Patent: 74,360
Improved chuck for planing-machines
Patentee:
John S. Hoar (exact or similar names) - West Acton, MA

USPTO Classifications:
269/154, 269/280, 269/85

Tool Categories:
metalworking machines : metal planers

Assignees:
Charles Hastings - West Acton, MA
Nathaniel E. Cutler - West Acton, MA
John S. Hoar - West Acton, MA

Manufacturer:
Not known to have been produced

Witnesses:
Samuel N. Piper
R. H. Eddy

Patent Dates:
Granted: Feb. 11, 1868

Patent Pictures:
USPTO (New site tip)
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