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US Patent: 6,916
Mill for grinding bark
Patentees:
William Andrew - Frederick, MD
Sidney A. Bantz - Frederick, MD

USPTO Classifications:
241/160

Tool Categories:
woodworking machines : specialty machines : bark processing machines
woodworking machines : specialty machines : wood grinding machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
P. H. Watson
E. S. Renwick

Patent Dates:
Granted: Dec. 04, 1849

Reissue Information:
Reissued as RE180 (Oct. 15, 1850)

Patent Pictures:
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