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Patents for H. W. Hill & Co. | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 130,853 | Aug. 27, 1872 | H.W. Hill | Improvement in Implements for Ringing Hogs | |
![]() | 206,569 | Jul. 30, 1878 | C.P. Housum | Tag for Marking Animals |