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US Patent: 393,260
Tool for grooving window-sash
Patentee:
Francis V. Phillips - Chicago, IL

USPTO Classifications:
144/236, 144/5

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

Assignees:
Chicago Sash Pulley Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 24, 1887
Granted: Nov. 20, 1888

Patent Pictures:
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