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US Patent: 2,607,603
Coupling or brush backs
Patentees:
Grant W. Breuer - Wilmette, IL
Menke Drewes, Jr. - Chicago, IL
Eugene Lambeau - Chicago, IL

USPTO Classifications:
279/66, 279/76

Tool Categories:

Assignees:
Breuer Electric Manufacturing Co. - Chicago, IL

Manufacturer:
Breuer Electric Manufacturing Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 22, 1949
Granted: Aug. 19, 1952

Patent Pictures:
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Description:
"This invention relates to couplings and is more particularly concerned with the provision of a coupling adapted for use in detachably connecting brush backs to the operating shaft of a disc-type floor treating machine."

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