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| Patents for Frank O. Wells | |||||
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| Picture | Number | Date | Patentee | Title | |
| 580,354 | Apr. 06, 1897 | F.O. Wells, F.E. Wells | Automatic Turning Lathe | ||
 | 734,784 | Jul. 28, 1903 | F.O. Wells | Micrometer Gage | |
 | 947,319 | Jan. 25, 1910 | F.O. Wells | Cutter-head | |
 | 965,970 | Aug. 02, 1910 | F.O. Wells | Tap Wrench | |
 | 1,090,180 | Mar. 17, 1914 | F. Judge, F.O. Wells | Calipering Gage for Screw Threads | |
 | 1,307,426 | Jun. 24, 1919 | F.O. Wells | Limit Gage | |