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US Patent: 1,401,534
Taper Attachment for Lathes
Patentee:
William F. Groene (exact or similar names) - Cincinnati, OH

USPTO Classifications:
82/17

Tool Categories:
metalworking machines : metal lathes : metal lathe accessories and attachments

Assignees:
R. K. Le Blond Machine Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 06, 1920
Granted: Dec. 27, 1921

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for R. K. Leblond Machine Tool Co.

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