| Patents Granted on 1922-06-20 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| CA-219,706 | Jun. 20, 1922 | M. Hutchinson | Ash sifter | |
| 1,420,029 | Jun. 20, 1922 | T.C. Foley | Chuck and Tool Holder | metal planer chucks |
| 1,420,105 | Jun. 20, 1922 | J. Hutchins | Measuring Instrument | dial indicator gauges |
| 1,420,147 | Jun. 20, 1922 | C.C. Roberts | Self Supporting Clamp | vises |
| 1,420,171 | Jun. 20, 1922 | W.O. Wille | Lathe Tool Holder | lathe tool holders and tool posts |
| 1,420,175 | Jun. 20, 1922 | S.P. Alonzo | Angle-Measuring Apparatus | protractors |
| 1,420,319 | Jun. 20, 1922 | G.L. Kelley | Metal-routing machine | |
| 1,420,467 | Jun. 20, 1922 | W.S. Bellows | Wrench | ratchet wrenches |
| 1,420,591 | Jun. 20, 1922 | F.E. Thomes | Woodworking machine | patternmaker |
| 1,420,600 | Jun. 20, 1922 | C. Winkler | Key Seating Machine | key seating machines |
| 1,420,612 | Jun. 20, 1922 | A. Vanderveld | Measuring and Computing Machine | measurement gauges |
