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US Patent: 40,550
Gear Cutting
Patentee:
Alonzo T. Boon - Galesburg, Knox County, IL

USPTO Classifications:
409/221, 409/61

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Nov. 10, 1863

Patent Pictures:
USPTO pdf tiff
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