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US Patent: 198,845
Improvement in machines for reducing wood to pulp for paper
Patentee:
William H. Haskins - Orange, VT

USPTO Classifications:
144/208.1, 241/277, 241/282.1

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 30, 1877
Granted: Jan. 01, 1878

Patent Pictures:
USPTO pdf tiff
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