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US Patent: 120,023
Improvement in Machines for Cutting the Teeth of Wheels
Patentee:
Henry Belfield (exact or similar names) - Philadelphia, PA

USPTO Classifications:
409/22

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Oct. 17, 1871

Patent Pictures:
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