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US Patent: 1,767,468
File machine
Patentee:
Colin M. Logan (exact or similar names) - Newark, NJ

USPTO Classifications:
76/17

Tool Categories:
woodworking machines : specialty woodworking machines : tool making machines

Assignees:
Heller Brothers Co. - Newark, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 07, 1921
Granted: Jun. 24, 1930

Patent Pictures:
USPTO (New site tip)
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