| Patents for Norman C. Stiles | 
| Patents 1 - 
					13
					of 13 
       | 
| Number | Date | Patentee | Title | Type | 
| 41,403 | Jan. 26, 1864 | N.C. Stiles | Improved Punching-Press | metal punching machines | 
| RE2,139 | Dec. 26, 1865 | N.C. Stiles | Improved Punching-Press | metal punching machines | 
| 52,335 | Jan. 30, 1866 | N.C. Stiles | Clutch | metal punching machines | 
| RE2,542 | Apr. 02, 1867 | N.C. Stiles | Improved Punching Apparatus | metal punching machines | 
| 71,080 | Nov. 19, 1867 | J.S. Miller, N.C. Stiles | Drop Press | drop hammers | 
| 82,042 | Sep. 08, 1868 | N.C. Stiles | Turning Shafting |  | 
| 130,877 | Aug. 27, 1872 | N.C. Stiles | Improvement in drop-hammers | drop hammers | 
| 160,483 | Mar. 02, 1875 | N.C. Stiles | Drop Hammer | drop hammers | 
| 270,146 | Jan. 02, 1883 | N.C. Stiles | Drop-hammer | drop hammers | 
| RE10,324 | May 08, 1883 | N.C. Stiles | Drop-hammer | drop hammers | 
| 294,698 | Mar. 04, 1884 | N.C. Stiles | Die for forming pulley-centers | pulley making machines | 
| 364,142 | May 31, 1887 | N.C. Stiles | Power-press | stamping presses | 
| 421,327 | Feb. 11, 1890 | N.C. Stiles | Drop-hammer | drop hammers |