| Patents Granted on 1920-07-__ |
Patents 1 -
15
of 29
      |
| Number | Date | Patentee | Title | Type |
| D55,591 | Jul. 06, 1920 | A.B. Carll | Wrench | screw adjust wrenches |
| 1,345,370 | Jul. 06, 1920 | A. Kimble | Dynamo-electric machines | induction motors |
| 1,345,709 | Jul. 06, 1920 | A.A. Shafer | Threading Die Mechanism | tap and die holders |
| 1,345,710 | Jul. 06, 1920 | A.A. Shafer | Collapsible Tap | taps and dies |
| 1,345,744 | Jul. 06, 1920 | R.A. Boehm | Collapsible Tap | taps and dies |
| 1,345,802 | Jul. 06, 1920 | F.E. Munschauer | Gage for sheet-metal shears, &c. | sheet metal |
| 1,345,881 | Jul. 06, 1920 | J.A. Butterworth, W.H. Purnell | Portable Jib Crane | jib cranes |
| 1,345,983 | Jul. 06, 1920 | W.E. Bell | Ratchet Pipe-Wrench | quick adjust wrenches |
| 1,346,204 | Jul. 13, 1920 | R.M. Hvid | Valve for Hydrocarbon Engine | valves |
| 1,346,205 | Jul. 13, 1920 | R.M. Hvid | Oil Burning Engine | valves |
| 1,346,227 | Jul. 13, 1920 | M.P. Laurent, E.D. Glidden, C.G. Mahana | Railway Motor Car | railroad motor cars |
| 1,346,236 | Jul. 13, 1920 | H. Muller | Joiner's Clamp | hand screws |
| 1,346,304 | Jul. 13, 1920 | A.F. Donaldson | Micrometer | micrometers |
| 1,346,306 | Jul. 13, 1920 | H.T. Duket | Pliers | pliers |
| 1,346,416 | Jul. 13, 1920 | C.H. Newton | Valve Spring Compressor | valve spring tools |
