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| Patents Granted on 1917-03-27 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,220,298 | Mar. 27, 1917 | A. Vanderveld | Mount for belt-hooks | belts, belt lacing and belt lacers | |
| 1,220,324 | Mar. 27, 1917 | E.E. Ellis | Tool Holder | lathe tool holders and tool posts | |
| 1,220,348 | Mar. 27, 1917 | A.B. Landis | Cutter-head | metal threading machines | |
| 1,220,390 | Mar. 27, 1917 | J.C. Backert | Cutting-machine | tablesaws | |
| 1,220,547 | Mar. 27, 1917 | A. Placek | Valve Spring Lifter | valve spring tools | |
| 1,220,570 | Mar. 27, 1917 | G.L. Swabb | Locomotive | steam engines | |