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All Patents in class 137/272 | |||||
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Picture | Number | Date | Patentee | Title | |
8,492X | Nov. 11, 1834 | J. Stroop | Hydrant | ||
9,852X | Jul. 01, 1836 | S.T. Walker | Hydrant | ||
![]() | 330,377 | Nov. 17, 1885 | Z.E. Coffin | Hydrant |