| Patents Granted on 1917-02-13 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,215,372 | Feb. 13, 1917 | A.P. Hawn | Tractor | internal combustion traction engines |
| 1,215,564 | Feb. 13, 1917 | J.C. McLachlan | Mold for casting shells | rockets and grenades |
| 1,215,584 | Feb. 13, 1917 | N.E. Sherwood | Rope making machine | rope maker |
| 1,215,705 | Feb. 13, 1917 | C.D. Rice | Multiple-spindle milling-machine and the like | milling machines |
| 1,215,830 | Feb. 13, 1917 | J.F. Marsolais | Tool Holder | lathe tool holders and tool posts |
| 1,216,010 | Feb. 13, 1917 | H. Tallakson | Marker-Gage and Square | clapboard markers |
| 1,216,105 | Feb. 13, 1917 | J.A. Hawthorne, Jr., J.E. Gagnon | Plumb, Level, and Square | levels |
