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US Patent: 1,069,614
Automatic Combination Tool Holder
Patentees:
Christian F. Heinkel (exact or similar names) - Cleveland, Cuyahoga County, OH
William G. Lueters (exact or similar names) - Cleveland, Cuyahoga County, OH

USPTO Classifications:
279/103

Tool Categories:
metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 13, 1909
Granted: Aug. 05, 1913

Patent Pictures:
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