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| Patents for Ernest R. Seward | |||||
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| Picture | Number | Date | Patentee | Title | |
| 919,477 | Apr. 27, 1909 | E.R. Seward | Gage | ||
| 925,041 | Jun. 15, 1909 | E.R. Seward | Stop Motion for Metalworking Machines | ||
| 1,164,759 | Dec. 21, 1915 | E.R. Seward | Lathe | ||
| 1,168,683 | Jan. 18, 1916 | E.R. Seward | Carriage Cross Feed Stop Mechanism for Lathes | ||
| 1,233,711 | Jul. 17, 1917 | E.R. Seward | Taper Attachment for Lathes | ||
| 1,733,492 | Oct. 29, 1929 | E.R. Seward, F.M. Kern | Grinding Machine | ||
| 1,782,480 | Nov. 25, 1930 | E.R. Seward | Centerless Grinding Machine | ||