| Patents Granted on 1928-04-10 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,665,304 | Apr. 10, 1928 | M.K. Akers, H.L. Johnston | Short-circuiting device for electric motors | |
| 1,665,504 | Apr. 10, 1928 | . | Leveling Square | |
| 1,665,550 | Apr. 10, 1928 | J.T. Janette | Contact holder | motor brushes |
| 1,665,554 | Apr. 10, 1928 | G.F. Kolb | Clutch | |
| 1,665,607 | Apr. 10, 1928 | C.E. Sargent | Internal Combustion Engine | internal combustion engines |
| 1,665,742 | Apr. 10, 1928 | F.S. Kingston | Induction motor | induction motors |
| 1,665,749 | Apr. 10, 1928 | C.L. Mattison | Double-belt sander | sanding machines |
