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US Patent: 2,863,339
Hydraulic air drilling unit
Patentee:
Melvin H. Emrick (exact or similar names) - Manhasset, NY

USPTO Classifications:
408/11, 408/130, 408/702

Tool Categories:
metalworking machines : drilling and boring : drill presses : multiple spindle drill presses

Assignees:
None

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

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 26, 1956
Granted: Dec. 09, 1958

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.
Description:
See also patent 2,953,122.

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