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| Patents for Geo. C. Bollinger | |||||
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| Number | Date | Patentee | Title | Type | |
| 386,266 | Jul. 17, 1888 | W.H. Predmore | Calf Weaner | animal weaners | |
| 404,931 | Jun. 11, 1889 | W.H. Predmore | Calf Weaner | animal weaners | |