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US Patent: 3,136,561
Collet for Fluted Shankless Tool
Patentees:
John F. McAuliffe (exact or similar names) - Elmwood, Hartford County, CT
Anthony D. Parone (exact or similar names) - Elmwood, Hartford County, CT

USPTO Classifications:
279/46.4, 279/46.7, 279/51, 407/108, 407/120, 407/32, 408/239R

Tool Categories:
metalworking tools : tool holding collets

Assignees:
Pratt & Whitney Co. - West Hartford, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 23, 1963
Granted: Jun. 09, 1964

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.

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