| Patents Granted on 1922-05-09 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| CA-218,476 | May 09, 1922 | J.S. Knowlson | Electrically operated tool | impact riveters |
| 1,415,013 | May 09, 1922 | R.A. Boehm | Collapsible Tap | taps and dies |
| 1,415,039 | May 09, 1922 | J. Kindl | Hand Shaft Turning Device | portable turning tools |
| 1,415,054 | May 09, 1922 | H.M. Rockwell | Gauge | dial indicator attachments |
| 1,415,237 | May 09, 1922 | A. Guttly | Cutting Tool and Holder | lathe tool holders and tool posts |
| 1,415,246 | May 09, 1922 | G.P. Kline | Metal Punching Machine | metal punching machines |
| 1,415,251 | May 09, 1922 | W.L. McLean | Screw driver | spiral screwdrivers |
| 1,415,319 | May 09, 1922 | E.R. Draver | Feeding device | |
| 1,415,331 | May 09, 1922 | E.B. Gardner | Grinding wheel | |
| 1,415,379 | May 09, 1922 | T.O. Martin | Tool Holder | lathe tool holders and tool posts |
| 1,415,386 | May 09, 1922 | W.W. Paddock | Band-saw guide | bandsaw guides |
| 1,415,489 | May 09, 1922 | R. Simpson | Pocket Tape | tape measures |
| 1,415,515 | May 09, 1922 | C. Bouillon | Change Gear Mechanism | metalworking machine mechanisms |
| 1,415,530 | May 09, 1922 | F.M. Davis | Feeding and clamping means for metal-working machines | metalworking machine mechanisms |
| 1,415,556 | May 09, 1922 | C.L. Heisler | Gearing | industrial machine gearing |
