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US Patent: 44,724
File
Improvement in Files
Patentee:
Hayward A. Harvey - New York, NY

USPTO Classifications:
407/29.1

Tool Categories:
industrial tools : files
metalworking tools : files

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William H. Bishop
A. De Lacy

Patent Dates:
Granted: Oct. 18, 1864

Patent Pictures:
USPTO pdf tiff
Google Patents
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