| Patents Granted on 1923-01-30 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,443,347 | Jan. 30, 1923 | G.R. Collamer, E.E. Collamer | Barrel-centering device | barrel making machines |
| 1,443,413 | Jan. 30, 1923 | J. Johnson | Socket Wrench | ratchet wrenches |
| 1,443,453 | Jan. 30, 1923 | C.H. Beach | Universal Multiple Speed Grinder | grinders |
| 1,443,687 | Jan. 30, 1923 | W. Hughes | Self Opening Tool Holder | metalworking machine tool holders |
| 1,443,752 | Jan. 30, 1923 | A.B. Lindmark | Tool Holder | insert tool holders |
| 1,443,789 | Jan. 30, 1923 | H. Humphreys | Table mount for metal and wood working machines | tablesaws |
