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| Patents for John Richardson Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,981X | Jul. 24, 1818 | J. Richardson, Jr. | Fire engine | fire engines | |
| NS-20 | Aug. 04, 1854 | R.G. Fraser | Process for extracting oil from seals, whales, porpoises, herrings and other fish | refining oil | |