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| Patents Granted on 1971-07-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-875,208 | Jul. 06, 1971 | J.D. Barclay, J.C. Jones | Grinding Machines | roll grinding machines | |
| 3,590,470 | Jul. 06, 1971 | W.E. Brainard | Unitary Tool Storage and Changing Mechanism | milling machine accessories | |
| 3,590,618 | Jul. 06, 1971 | W. Hyams | Cross roll straightener machine | metal straightening machines | |
| 3,591,247 | Jul. 06, 1971 | M.J. Duly, H.A. Berry | Cabinet hinge | hinges | |