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US Patent: 1,702,810
Tapping Chuck
Patentee:
Joseph F. Buhr (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
279/16, 279/48, 279/69, 279/97, 470/198

Tool Categories:
metalworking machines : drilling and boring : drill presses : drill press chucks

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 29, 1923
Granted: Feb. 19, 1929

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

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