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| 1911–19?? | 19??–1962 | 1962–1987 | 1987–1991 |
1911–19??[]
19??–1962[]
1962–1987[]
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BP continued to sell Sohio-branded marine fuel in Ohio to maintain its rights to the name until the 2000s.
1987–1991[]
This prototype logo was seen at a handful of renovated Sohio stations. Changeover to BP signage began on April 25, 1991.