| Patents Granted on 1915-12-21 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 1,164,694 | Dec. 21, 1915 | R. Wood | Sight Glass | steam engine lubricators |
| 1,164,759 | Dec. 21, 1915 | E.R. Seward | Lathe | turret lathes |
| 1,164,813 | Dec. 21, 1915 | F.W. Hoefer, C.A. Hoefer | Multiple-spindle drill-head | wood drilling and boring |
| 1,164,815 | Dec. 21, 1915 | S.A. Hunter | Wrench | socket wrenches |
| 1,164,981 | Dec. 21, 1915 | W.A. Bernard | Hand Tool | pliers |
| 1,165,028 | Dec. 21, 1915 | H.F. Shepherd | Water and Feed Pump for Hydrocarbon Engines | fuel pumps |
| 1,165,225 | Dec. 21, 1915 | W.H. Carrier | Humidity meter | |
| 1,165,298 | Dec. 21, 1915 | E. Vaughan | Portable drag-saw machine | drag saws |
| 1,165,357 | Dec. 21, 1915 | H.B. Keiper | Drilling-machine | drilling and boring |
| 1,165,369 | Dec. 21, 1915 | A.L. De Leeuw | High Power Pulley Drive | metalworking power transmission |
