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| All Patents in class 408/160 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 240,917 | May 03, 1881 | J. McCandless | Tap for Threading Sockets | ||
| 265,272 | Oct. 03, 1882 | V. Moeslein | Expanding Reamer | ||
| 626,385 | Jun. 06, 1899 | A. Johnson | Tap | ||
| 1,491,874 | Apr. 29, 1924 | A.A. Martell | Drive for Floating Reamers | ||