| Patents Granted on 1928-12-25 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| CA-285,926 | Dec. 25, 1928 | G.J. Lindroth, E.A. Hall | Cylinder Hone | honing tools |
| 1,696,195 | Dec. 25, 1928 | A.F. Froussard | Cutter Head | boring heads |
| 1,696,403 | Dec. 25, 1928 | D.C. Klausmeyer | Accessible Twin Lever Gear Shift for Drill Heads | metalworking machine mechanisms |
| 1,696,425 | Dec. 25, 1928 | D. Turcott | Automatic turning machine | pattern lathes |
| 1,696,444 | Dec. 25, 1928 | F.A. Haist, E.S. Miller | Holder for Socket Wrench sets | wrench set holders |
| 1,696,452 | Dec. 25, 1928 | F.E. Raymond | Valve | steam safety valves |
| 1,696,468 | Dec. 25, 1928 | J.F. Buhr | Multiple-spindle drill head | multiple spindle drill presses |
| 1,696,477 | Dec. 25, 1928 | G.J. Lindroth, E.A. Hall | Cylinder Hone | honing tools |
| 1,696,584 | Dec. 25, 1928 | W.G. Schwer | Sandusky Cutter Adjustment | plane cutter adjustments |
| 1,696,615 | Dec. 25, 1928 | P. Trombetta | Electromagnet | motor controls |
| 1,696,636 | Dec. 25, 1928 | H.L. Johnston | Grinding apparatus | |
| 1,696,868 | Dec. 25, 1928 | A.D. Skinner | Valve | steam engine valves |
| 1,696,882 | Dec. 25, 1928 | E.C. Hassler | Blower | blowers |
