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| Patents for Henry C. Rice | |||||
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| Number | Date | Patentee | Title | Type | |
| 214,196 | Apr. 08, 1879 | H.C. Rice | Muzzles For Animals | animal weaners | |
| 230,338 | Jul. 20, 1880 | H.C. Rice | Pencil-sharpener | pencil sharpeners | |