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| Patents for Charles H. Fowler | |||||
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| Number | Date | Patentee | Title | Type | |
| 78,520 | Jun. 02, 1868 | C.H. Fowler | Cutter Holder | lathe tools | |
| 207,172 | Aug. 20, 1878 | C.H. Fowler | Tap Wrench | tap wrenches and die stocks | |
| 282,067 | Jul. 31, 1883 | C.H. Fowler | Speed Indicator | measurement gauges | |
| 418,608 | Dec. 31, 1889 | C.H. Fowler | Speed Indicator | measurement gauges | |