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US Patent: 339,886
Counter-balance for cutter-heads
Patentee:
George W. Hill (exact or similar names) - Quincy, MA

USPTO Classifications:
144/218, 144/231

Tool Categories:
woodworking machines : machine and tool cutters : cutterheads

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles F. Sleeper
Kirby Silloway

Patent Dates:
Applied: Dec. 02, 1885
Granted: Apr. 13, 1886

Patent Pictures:
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