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| Patents Granted on 1930-09-02 | |||||
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| Number | Date | Patentee | Title | Type | |
| RE17,786 | Sep. 02, 1930 | W.L. Evans | Device for making ring joint | specialty woodworking machines | |
| 1,774,692 | Sep. 02, 1930 | J.B. Armitage | Metal-Working Machine | milling machines | |
| 1,774,711 | Sep. 02, 1930 | H.C. Heon | Cylinder-grinding tool | automotive tools | |
| 1,774,718 | Sep. 02, 1930 | H.B. McCabe | Apparatus for Bringing an Unbalanced Rotative Body into a State of Balance | balancing gauges | |
| 1,774,835 | Sep. 02, 1930 | A.O. Lombard | Traction device | tracks | |