| Patents Granted on 1939-09-05 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 2,171,589 | Sep. 05, 1939 | E.W. Miller | Involute Measuring Machine | gear measuring machines |
| 2,171,802 | Sep. 05, 1939 | A.C. Nielsen | Tool Holder | lathe tool holders and tool posts |
| 2,171,940 | Sep. 05, 1939 | V.C. Macnabb | Sound Reproducing Apparatus | radios |
| 2,172,070 | Sep. 05, 1939 | C.A. Palmgren | Chuck | drill chucks |
| 2,172,135 | Sep. 05, 1939 | A.A. Breuer | Suction cleaner motor construction | vacuum cleaners |
| 2,172,274 | Sep. 05, 1939 | R.H. Crouch | Straight-line cut-off saw | radial arm saws |
