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| All Patents in class 72/224 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 600,681 | Mar. 15, 1898 | T.B. Sharp | Apparatus for Manufacturing Metal Tubes | ||
| 680,903 | Aug. 20, 1901 | C.D. Wiley | Machine for Producing Twist Drills | ||
| 2,430,368 | Nov. 04, 1947 | J.J. Reardon | Apparatus and Method for Drawing and Broaching Socket Wrenches | ||