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US Patent: 90,784
Improved saw-file
Patentee:
William Roberts (exact or similar names) - Blue Hill, ME

USPTO Classifications:
407/29.14, 76/31

Tool Categories:
industrial tools : files
woodworking tools : handsaws : saw sharpening tools
metalworking tools : files

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Augustus Stevens
John A. Stevens
Patent Dates:
Granted: Jun. 01, 1869

Patent Pictures:
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