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US Patent: 3,606,177
Wood pulp grinder
Patentees:
Donald K. Alexander - Fort William, ON Canada
John J. Denovan - Brantford, ON Canada

USPTO Classifications:
241/167, 241/282, 241/42

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

Assignees:
Koehring-Waterous Ltd. - Brantford, ON Canada

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 20, 1969
Granted: Sep. 20, 1971

Patent Pictures:
USPTO pdf tiff
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