| Patents Granted on 1947-05-?? |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 2,420,020 | May 06, 1947 | F.A. Snell | Lever-Actuated Pivoted-Jaw Wrench | locking pliers |
| 2,420,067 | May 06, 1947 | H.E. Crozier | Collet attachment for lathes or other metalworking machines | collets and collet holders |
| 2,420,468 | May 13, 1947 | S. De Walt | Saw-tooth gage and jointer | saw jointers |
| 2,420,547 | May 13, 1947 | J.E. Lovely | Profile Milling Machine | milling machines |
| 2,420,853 | May 20, 1947 | G.A. Biggs | Hydraulic Turbine | turbine water wheels |
| 2,420,984 | May 20, 1947 | R.H. Shepard | Hydraulic Pump | hydraulic pumps |
| 2,421,038 | May 27, 1947 | E. Schultz | Wrench | ratchet wrenches |
| 2,421,147 | May 27, 1947 | W.F. Groene | Orbital lathe feed mechanism | crankshaft lathes |
| 2,421,206 | May 27, 1947 | O. Kylin, H.O. Kylin | Hydraulic brake mechanism and control therefor | turret lathes |
