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US Patent: 1,034,723
Tool-retaining device for boring-bars
Henry Mueller - Decatur, IL
Anton C. Schuerrmann - Decatur, IL

USPTO Classifications:
279/103, 279/155, 279/91, 279/97

Tool Categories:
metalworking machines : drilling and boring : boring bars
metalworking tools : boring bars

H. Mueller Manufacturing Co. - Decatur, IL

McCrosky Tool Corp. - Meadville, PA

Leonard F. McKibben
William R. Biddle

Patent Dates:
Applied: Apr. 01, 1911
Granted: Aug. 06, 1912

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for McCrosky Tool Corp.
Co-inventor Mueller was deceased at the time the patent was issued. See also patent 1,034,724.

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