| Patents Granted on 1923-05-15 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| CA-230,995 | May 15, 1923 | W.H. Cook | Fixed Jaw Ratchetting Spanner | nut wrenches |
| CA-231,124 | May 15, 1923 | A.J. Parkhurst | Anti-skid device | |
| 1,455,042 | May 15, 1923 | F. Buck | Joint for folding rules | folding rule joints |
| 1,455,049 | May 15, 1923 | F. Hardinge | Oil burner | industrial furnaces |
| 1,455,147 | May 15, 1923 | W.J. O'Neill | Wrench and the Like | ratchet wrenches |
| 1,455,282 | May 15, 1923 | E.P. Bullard, Jr. | Indexing Device | metalworking machine mechanisms |
| 1,455,283 | May 15, 1923 | E.P. Bullard, Jr. | Electric-Operating Chucking Device | |
| 1,455,391 | May 15, 1923 | F. Diehl | Sewing-machine-motor bracket | |
| 1,455,405 | May 15, 1923 | J.F. Nagle | Fixture for Grinding Beveled Chisels | grinding fixtures |
| 1,455,423 | May 15, 1923 | C.P. Brown | Wrench | quick adjust wrenches |
| 1,455,424 | May 15, 1923 | C.P. Brown | Quick-release chuck. | |
| 1,455,425 | May 15, 1923 | E.E. Brown | Flexible coupling | industrial machine shaft couplings |
| 1,455,556 | May 15, 1923 | W.H. Thorne | Clamping Mechanism for Machine Tools | metal planers |
| 1,455,564 | May 15, 1923 | . | Combination Tool | |
