| Patents Granted on 1920-03-23 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| CA-198,397 | Mar. 23, 1920 | J. Ruckstinat, J.C. McLachlan | Tractor | tractors |
| 1,334,305 | Mar. 23, 1920 | G.T. Johnson | Turning-machine | pattern lathes |
| 1,334,335 | Mar. 23, 1920 | W.M. Wheildon, H.E. Warren | Apparatus for treating metal objects | metal lathes |
| 1,334,376 | Mar. 23, 1920 | R.M. Hvid | Oil Burning Engine | oil engines |
| 1,334,444 | Mar. 23, 1920 | . | Saw Handle | |
| 1,334,535 | Mar. 23, 1920 | C.L. Hawes | Self Lubricating Bearing | metalworking machine bearings |
| 1,334,674 | Mar. 23, 1920 | A. Panitti, Jr. | Right angle Ratchet Screwdriver | ratcheting screwdrivers |
| 1,334,732 | Mar. 23, 1920 | O. Bergstrom | Revolving case-clamp | clamps |
| 1,334,772 | Mar. 23, 1920 | E.J. McClellan | Chuck | metal lathe chucks |
| 1,334,775 | Mar. 23, 1920 | J.H. Mason | Tool Holder | lathe tool holders and tool posts |
| 1,334,941 | Mar. 23, 1920 | H.E. Blake | Saw | handsaw teeth |
