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| All Patents in class 470/177 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 634,981 | Oct. 17, 1899 | C.A. Hurth | Lathe for Turning Balls | ||
| 643,553 | Feb. 13, 1900 | O. Sroka | Attachment for Screw Cutting Machines | ||
| 1,906,099 | Apr. 25, 1933 | C.A. Rich | Nut Making Machine | ||
| 2,454,916 | Nov. 30, 1948 | R.M. Gamble | Machine Tool | ||
| 2,570,660 | Oct. 09, 1951 | R.M. Gamble | Transfer Mechanism | ||
| 3,183,532 | May 18, 1965 | A.R. Kull | Automatic Transfer Mechanism for Forging Machines | ||