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US Patent: 3,742,565
Rotary cutter
Patentees:
Ralph B. Baldwin - East Grand Rapids, MI
Frederick K. Zwald - East Grand Rapids, MI
Charles E. Boboltz - Belmont, MI

USPTO Classifications:
407/113, 407/46, 407/49, 407/59, 407/61

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

Assignees:
Oliver Machinery Co. - Grand Rapids, MI

Manufacturer:
Oliver Machinery Co. - Grand Rapids, MI

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 31, 1970
Granted: Jul. 03, 1973

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Oliver Machinery Co.

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