| Patents Granted on 1920-11-23 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| D56,669 | Nov. 23, 1920 | J.H. Lickert | Combined Pastry Knife and Server | |
| 1,359,562 | Nov. 23, 1920 | N.M. Anderson | Vulcanizer | |
| 1,359,748 | Nov. 23, 1920 | W.S. Runnels | Cutter | cutters |
| 1,359,814 | Nov. 23, 1920 | M.C. Dellinger, H.W. Kulp | Valve-spring lifter | valve spring tools |
| 1,359,943 | Nov. 23, 1920 | J.H. Wilhelm | Thread Testing Device | measurement gauges |
| 1,360,016 | Nov. 23, 1920 | G.G. Porter | Boring and cutting tool | lathe tools |
| 1,360,165 | Nov. 23, 1920 | C.C. Zenk | Method for making commutators | machine making |
| 1,360,166 | Nov. 23, 1920 | C.C. Zenk | Commutator | motor commutators |
| 1,360,175 | Nov. 23, 1920 | E.P. Bullard, Jr. | Multiple Spindle Machine Tool | vertical boring mills |
