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US Patent: 1,870,612
Wrench
Patentee:
Alex de Schebeko - Chicago, IL

USPTO Classifications:
54/16, 81/124.3, D8/17

Tool Categories:
wrenches : automotive specialty wrenches

Assignees:
None

Manufacturer:
Barcalo Mfg. Co. - Buffalo, NY

Witnesses:
none listed

Patent Dates:
Applied: Mar. 17, 1930
Granted: Aug. 09, 1932

Patent Pictures: [ 1 | 2 ]
Alex de Schebeko patent Aug. 9, 1932
USPTO pdf tiff
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Description:
The specifications state explicitly the wrench is for spark plugs, front and rear wheel brake adjustment, and drain plugs on "old and new Ford automobiles and trucks."

George E. Mueller - patent attorney

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