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| Patents for Joseph C. Gaskill | |||||
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| Picture | Number | Date | Patentee | Title | |
| 774,577 | Nov. 08, 1904 | J.C. Gaskill | Oil and Water Separator | ||
| 1,045,541 | Nov. 26, 1912 | J.C. Gaskill | Governor for Steam Engines | ||
| 1,283,145 | Oct. 29, 1918 | J.C. Gaskill | Steam Engine | ||