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US Patent: 3,776,289
Cutting tool holder
Patentees: Charles E. Boboltz (exact or similar names) - Belmont, MI Frederick K. Zwald (exact or similar names) - East Grand Rapids, MI Ralph B. Baldwin (exact or similar names) - East Grand Rapids, MI USPTO Classifications: 144/230, 407/113, 407/46, 407/49, 407/59 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: May 18, 1972 Granted: Dec. 04, 1973 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Oliver Machinery Co.

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