| Patents Granted on 1917-07-03 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,231,572 | Jul. 03, 1917 | F.M. Davis | Valve mechanism | internal combustion engine valves |
| 1,231,705 | Jul. 03, 1917 | W.H. Carrier | Apparatus for regulating the humidity and temperature of air | |
| 1,231,721 | Jul. 03, 1917 | H. Dreses | Feeding mechanism in metal-working machinery | radial drill presses |
| 1,231,880 | Jul. 03, 1917 | N.W. Hagen, L. Thiel | Gearing | industrial machine gearing |
| 1,231,920 | Jul. 03, 1917 | T. Lumsden | Tool Holder for Grinding Machines | sharpening tool holders |
| 1,231,934 | Jul. 03, 1917 | H. Packet | Caliper or Measuring Instrument | indicating calipers |
| 1,231,946 | Jul. 03, 1917 | W.L. Schellenbach | Tool-holder stop mechanism | metal lathes |
| 1,232,050 | Jul. 03, 1917 | F. Kraemer | Pressure Riveter | riveting machines |
| 1,232,464 | Jul. 03, 1917 | C.R. Houghton | Dust-separator | dust collectors |
