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US Patent: 528,025
Gear Cutting Machine
Patentee:
Thomas O. Perry (exact or similar names) - Chicago, IL

USPTO Classifications:
409/3

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 25, 1894
Granted: Oct. 23, 1894

Patent Pictures:
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