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| All Patents in class 285/189 | |||||
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| Number | Date | Patentee | Title | Type | |
| 67,080 | Jul. 23, 1867 | N. Stephens | Improved tap for cement-lined pipes | pipes | |
| 132,699 | Oct. 29, 1872 | M. Stephens | Improvement in pipe-couplings | pipes | |
| 244,384 | Jul. 19, 1881 | J.W. Douglas | Pump | household hand pumps | |
| 500,701 | Jul. 04, 1893 | D.S. Abbott, C.G. Redstone | Condenser | leatherworker | |
| 2,298,119 | Oct. 06, 1942 | S.C. Gebert | Connector Device | solid fuel stokers | |