| Patents Granted on 1922-05-?? |
Patents 1 -
15
of 67
      |
| Number | Date | Patentee | Title | Type |
| GB-179,228 | May 01, 1922 | H. Livsey | Improvements relating to railway transport | railroad locomotives |
| CA-218,231 | May 02, 1922 | A.W. Draeseke, A.W. Parkes | Boring mills | horizontal boring mills |
| 1,414,520 | May 02, 1922 | T.O. Martin | Lathe Turning Tool | lathe tools |
| 1,414,550 | May 02, 1922 | J.P. Cluley | Micrometer Caliper | micrometers |
| 1,414,618 | May 02, 1922 | C.W. Blood, C.G. Osteman | Side head construction for matchers and the like | matchers |
| 1,414,847 | May 02, 1922 | E. Wells | Tool | calipers |
| 1,414,970 | May 02, 1922 | A.W. Nelson | Adjustable angle plate | angle bars and angle plates |
| 1,414,976 | May 02, 1922 | B.F. Augustine | Rotary Engine | rotary steam engines |
| GB-179,048 | May 04, 1922 | F.W. Portass | An Improved Stand for Lathes, Small Machines and the like | metal lathe accessories and attachments |
| GB-179,053 | May 04, 1922 | P.V. Vernon, A. Herbert | Improvements in Machines for Cutting Metals and the Like | milling machine cutters |
| GB-156,681 | May 08, 1922 | W.F. Shore | Improvements in Scleroscopes | metal hardness testers |
| 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 |
