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US Patent: 1,862,370
Chuck device
Patentee:
George W. Emrick (exact or similar names) - Brooklyn, NY

USPTO Classifications:
279/74

Tool Categories:
metalworking machines : drilling and boring : tapping heads and chucks

Assignees:
None

Manufacturer:
ETTCO Tool Co., Inc. - Brooklyn, NY

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 28, 1931
Granted: Jun. 07, 1932

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for ETTCO Tool Co., Inc.

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