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US Patent: 1,502,528
Extensible Tool Holder
Patentee:
Louis Reulbach (exact or similar names) - Cleveland, Cuyahoga County, OH

USPTO Classifications:
248/188.5, 279/103, 279/97, 403/DIG.8, 408/238, 425/DIG.107, 81/177.2

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: Oct. 15, 1921
Granted: Jul. 22, 1924

Patent Pictures:
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