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| Patents for Christian Hermann | |||||
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| Number | Date | Patentee | Title | Type | |
| 304,102 | Aug. 26, 1884 | C. Hermann | Ratchet Tool Handle | auger handles | |
| 323,145 | Jul. 28, 1885 | C. Hermann | Ratchet Tool (Auger) Handle | auger handles | |