| Patents Granted on 1922-05-30 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,417,496 | May 30, 1922 | J.H. Carmean | Sighting Level | levels |
| 1,417,520 | May 30, 1922 | F. Hardinge | Oil burner | industrial furnaces |
| 1,417,621 | May 30, 1922 | C.E. Marsh | Portable Locomotive Journal Turning Machine | portable turning tools |
| 1,417,676 | May 30, 1922 | A.T. Mace | Sewing-machine motor drive | sewing machines |
| 1,417,683 | May 30, 1922 | W.J. Parsons | Telescopic wrench | wrenches |
| 1,417,725 | May 30, 1922 | G.R. Fullenwider | Tool Kit | combination tools |
| 1,417,766 | May 30, 1922 | A. Peter | Externally Heatable Ignition Plug | ignition systems |
| 1,417,804 | May 30, 1922 | D.P. Davies | Internal Combustion Engine | fuel primers |
| 1,418,134 | May 30, 1922 | E.R. Draver | Wheel carrier | |
