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US Patent: 684,634
Worm-wheel-cutting machine
Patentee:
John J. Grant (exact or similar names) - Cleveland, OH

USPTO Classifications:
269/61, 409/22

Tool Categories:
metalworking machines : gear making machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. B. Gilchrist
Albert H. Bates
Patent Dates:
Applied: Jan. 14, 1901
Granted: Oct. 15, 1901

Patent Pictures:
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