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| All Patents in class 261/141 | |||||
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| Number | Date | Patentee | Title | Type | |
| 62,856 | Mar. 12, 1867 | J. Kidd | Carbureter | carburetors | |
| 1,989,228 | Jan. 29, 1935 | A.A. Criqui, R.T. Thornton | Air conditioning apparatus | air conditioning apparatus | |