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US Patent: 2,679,869
Machine for forming interlocking mitered joints for muntin structures
Patentee:
William M. Knourek (exact or similar names) - Chicago, IL

USPTO Classifications:
144/216, 144/6

Tool Categories:
woodworking machines : miter machines
woodworking machines : specialty woodworking machines : window making machines

Assignees:
None

Manufacturer:
Woodworkers Tool Works - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 31, 1952
Granted: Jun. 01, 1954

Patent Pictures: [ 1 | 2 ]
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Vintage Machinery entry for Woodworkers Tool Works

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