| Patents Granted on 1939-06-06 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 2,160,858 | Jun. 06, 1939 | B.R. Granberg | Machine tool | |
| 2,160,966 | Jun. 06, 1939 | H.C. Kemper, W.F. Groene | Lathe Apron Mechanism | metalworking machine mechanisms |
| 2,160,967 | Jun. 06, 1939 | W.R. Meyer, W.F. Groene | Crankshaft Chuck | metal lathe chucks |
| 2,161,028 | Jun. 06, 1939 | P.P. Dubosclard | Conduit cleaner | manufacturing paper |
| 2,161,095 | Jun. 06, 1939 | C.S. Schaffer | Screw holding screwdriver | screwdriver blades |
| 2,161,163 | Jun. 06, 1939 | T.L. Hedgpeth | Tool having identification insignia | wrenches |
| 2,161,268 | Jun. 06, 1939 | W.F. Zimmermann | Conoidal Bit Cutting Machine | gear hobbing machines |
| 2,161,269 | Jun. 06, 1939 | W.F. Zimmermann | Machine for Slotting Cutter Bodies | milling machines |
| 2,161,465 | Jun. 06, 1939 | F.S. Haas | Grinding Machine | grinding machines |
| 2,161,505 | Jun. 06, 1939 | A.A. Davis | Radial Draft Milling Apparatus | milling machine accessories |
| 2,161,545 | Jun. 06, 1939 | W.F. Groene, G.W. Luning | Lathe transmission and the like | engine lathes |
| 2,161,548 | Jun. 06, 1939 | C.E. Miller | Threading Mechanism | automatic lathes |
