| Patents for Emma Spener |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
 | 981,915 | Jan. 17, 1911 | N.D. Chard | Engine-lathe |
 | 985,041 | Feb. 21, 1911 | W. Lodge | Diameter Gage for Lathes |
 | 1,007,181 | Oct. 31, 1911 | N.D. Chard | Lathe |
 | 1,007,182 | Oct. 31, 1911 | N.D. Chard | Lathe |
| | 1,022,721 | Apr. 09, 1912 | N.D. Chard | Lathe |
| | 1,121,068 | Dec. 15, 1914 | N.D. Chard | Lathe |
 | 1,133,064 | Mar. 23, 1915 | W.L. Schellenbach | Work-securing mechanism |
 | 1,152,055 | Aug. 31, 1915 | W.L. Schellenbach | Multiple-tool holder |
| | 1,154,939 | Sep. 28, 1915 | W.L. Schellenbach, W. Lodge, N.D. Chard | Narrow tool-support |
 | 1,171,665 | Feb. 15, 1916 | W. Schellenbach | Projectile-turner |
