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| Patents Granted on 1920-08-31 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,351,272 | Aug. 31, 1920 | L.E. Wood | Spring Leaf Spreader and Lubricator | leaf spring spreaders and lubricators | |
| 1,351,276 | Aug. 31, 1920 | A.H. Benwell | Wrench | pipe wrenches | |
| 1,351,504 | Aug. 31, 1920 | F.F. Clarke | Center Indicating Device | vertical boring mills | |
| 1,351,528 | Aug. 31, 1920 | A.W. Martin | Gage | height gages | |
| 1,351,632 | Aug. 31, 1920 | O. Engels | Tool Holder | lathe tool holders and tool posts | |
| 1,351,663 | Aug. 31, 1920 | J.R. Koch | Gage | special purpose gauges | |