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US Patent: 974,545
Bobbin-boring machine
Patentees:
Edwin C. Buffington (exact or similar names) - Manchester, NH
Luther C. Baldwin (exact or similar names) - Providence, RI

USPTO Classifications:
144/14, 279/133, 279/155

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : specialty woodworking machines : spool or bobbin machines

Assignees:
U. S. Bobbin & Shuttle Co. - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Nov. 01, 1910

Patent Pictures:
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