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US Patent: 204,493
Appliance for Flat Filing
Patentee:
Ephraim M. Kimball (exact or similar names) - Toledo, Lucas County, OH

USPTO Classifications:
29/76.1

Tool Categories:
metalworking tools : files

Assignees:
Ephraim M. Kimball - Toledo, Lucas County, OH
Oran F. Foster - Toledo, Lucas County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 16, 1878
Granted: Jun. 04, 1878

Patent Pictures:
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