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Patents for J. S. Brown | |||||
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Number | Date | Patentee | Title | Type | |
114,129 | Apr. 25, 1871 | J. Goodrich, H.J. Colburn | Improvement in self-oiling pulleys | industrial machine pulleys and belt drive mechanisms | |
176,541 | Apr. 25, 1876 | W.J. Muncaster, M. McKaig | Raising and Lowering Screw Propellers | boats and ships |