| Patents Granted on 1933-05-30 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| D90,008 | May 30, 1933 | F.O. Albertson | Design for a casing for a portable electric polisher | handheld power sanders |
| 1,911,385 | May 30, 1933 | R.J. Pardee | Draw press | stamping presses |
| 1,911,471 | May 30, 1933 | E.P. Sacrey | Cooling fan for electric motor operated tools | handheld routers |
| 1,911,574 | May 30, 1933 | J.D. Karle | Commutator Slotting Machine | commutator slotting machines |
| 1,911,857 | May 30, 1933 | W. Stumpf | Grinder speed control | |
| 1,912,033 | May 30, 1933 | C.B. De Vlieg | Machine tool | |
| 1,912,050 | May 30, 1933 | W.W. Vosper, W.R. Vosper | Pipe Tool | pipe threading machines |
| 1,912,190 | May 30, 1933 | M.J. Goldberg | Lubricating System | internal combustion engine lubrication |
