US Patent: 2,607,603
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Coupling or brush backs
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Patent Dates:
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Applied: |
Apr. 22, 1949 |
Granted: |
Aug. 19, 1952 |
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Jeff Joslin
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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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