| Patents Granted on 1923-11-20 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,474,404 | Nov. 20, 1923 | I.A. Church | Tool Holder | tool handles |
| 1,474,438 | Nov. 20, 1923 | E.A. Muller | Turret Head for Machine Tools | vertical turret lathes |
| 1,474,525 | Nov. 20, 1923 | B.P. Graves | Adjustable Support for Workholders | milling machines |
| 1,474,679 | Nov. 20, 1923 | V.G. Lutz | Hand drill provided with a speed-changing device | hand drills |
| 1,475,024 | Nov. 20, 1923 | G.A. Morgan | Traffic signal | |
| 1,475,066 | Nov. 20, 1923 | A.T. Geegory | Micrometer Gauge | micrometers |
| 1,475,153 | Nov. 20, 1923 | H. Athenas | Portable electric combination drill | handheld power drills |
