| Patents Granted on 1920-03-16 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| CA-198,327 | Mar. 16, 1920 | J.M. Brown | Stove pipe crimped elbow bending machine | sheet metal bending machines |
| 1,333,623 | Mar. 16, 1920 | G.B. McCracken | Valve | valves |
| 1,333,647 | Mar. 16, 1920 | I.A. Weaver | Vehicle-wheel-rim attachment | vehicle mechanic |
| 1,333,707 | Mar. 16, 1920 | C.A. Dies | Lathe Dog and the Like | lathe dogs |
| 1,333,743 | Mar. 16, 1920 | P.G. Weiss | Portable drill | drill presses |
| 1,333,767 | Mar. 16, 1920 | C. Napier | Method of making tempered blades | making sawblades |
| 1,333,943 | Mar. 16, 1920 | F. Spalding | Caliper | measurement gauges |
| 1,333,966 | Mar. 16, 1920 | W.B. Fay | Lifting Jack | valve spring tools |
| 1,333,968 | Mar. 16, 1920 | H.G. Francis | Roller scraper-bar for glue-spreading machines | gluing machines |
| 1,334,070 | Mar. 16, 1920 | W.E. Bauer | Wood-trimmer | miter machines |
| 1,334,156 | Mar. 16, 1920 | O. Becklin, J.H. Lagreid | Wrench | quick adjust wrenches |
| 1,334,166 | Mar. 16, 1920 | A. Rasmussen | Power-hacksaw machine | power hacksaws |
| 1,334,242 | Mar. 16, 1920 | F. Hardinge | Gear mechanism | metal lathes |
