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| Patents for Denison Olmstead | |||||
| Number | Date | Patentee | Title | Type | |
| 4,824X | Jul. 21, 1827 | D. Olmstead | Manufacture of gas lights from cotton seed | ||
| 9,167X | Oct. 14, 1835 | D. Olmstead | Stove or furnace for burning anthracite coal (patented Nov. 5, 1834, reissued) | stoves | |