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| Patents for Christian C. Hill | |||||
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| Number | Date | Patentee | Title | Type | |
| 210,200 | Nov. 26, 1878 | C.C. Hill | Improvement in machines for cutting key-hole escutcheons | specialty woodworking machines | |
| 409,324 | Aug. 20, 1889 | C.C. Hill | Perforating-stamp | office worker | |
| 433,003 | Jul. 29, 1890 | C.C. Hill | Perforating-stamp | office worker | |