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US Patent: 1,120,973
Method of Making a File
Patentee:
John Ridge (exact or similar names) - Nashua, NH

USPTO Classifications:
76/24.1

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Kathleen M. Scott
Thomas J. Drummond
Patent Dates:
Applied: Jul. 21, 1913
Granted: Dec. 15, 1914

Patent Pictures:
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