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US Patent: 290,612
Knurling-tool
Patentee:
William W. Tucker (exact or similar names) - Hartford, CT

USPTO Classifications:
72/237, 72/479, 72/703

Tool Categories:
metalworking machines : metal lathes : lathe tools

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Pratt & Whitney Co. - Hartford, CT

Witnesses:
Charles L. Burdett
William H. Marsh

Patent Dates:
Applied: Apr. 18, 1881
Granted: Dec. 18, 1883

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.

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