| Patents for John F. Oberlin |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 907,142 | Dec. 22, 1908 | J.J. Grant, J.F. Fieg | Change-speed gear mechanism | automatic lathes |
| 909,623 | Jan. 12, 1909 | E.J. Lees | Micrometer | micrometers |
| 926,736 | Jul. 06, 1909 | J.J. Grant | Multiple-spindle lathe | automatic lathes |
| 932,607 | Aug. 31, 1909 | J.J. Grant | Thread-cutting attachment for automatic lathes | automatic lathes |
| 956,849 | May 03, 1910 | W.C. Hafemeister | Portable electric drill | handheld power tools |
| 1,104,736 | Jul. 21, 1914 | F. Schneider | Gearing | handheld power drills |
