| Patents Granted on 1920-08-31 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,351,230 | Aug. 31, 1920 | P.E. Chapman | Armature and coil winding machine | electric motor making |
| 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 |
