| Patents Granted on 1917-03-13 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,218,749 | Mar. 13, 1917 | W.L. Deming | Projectographoscope | |
| 1,218,757 | Mar. 13, 1917 | O.C. Gessler | Compound Tool | combination cork extractors |
| 1,218,784 | Mar. 13, 1917 | W.F. Groene, R.K. Le Blond | Positive Apron Drive for Lathes | engine lathes |
| 1,218,788 | Mar. 13, 1917 | J.R. Long | Bench-vise | bench vises |
| 1,218,951 | Mar. 13, 1917 | H.E. Morton | Head for Draw Cut Shapers | metal shapers |
| 1,219,083 | Mar. 13, 1917 | A.E. Church | Hydraulic chuck | metal lathe chucks |
| 1,219,149 | Mar. 13, 1917 | F.B. Puglisi | Rotary Vernier Calipers | indicating calipers |
