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| Patents for Roger T. Thornton | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,866,196 | Jul. 05, 1932 | A.A. Criqui, R.T. Thornton | Gas purifier or scrubber | ||
| 1,989,228 | Jan. 29, 1935 | A.A. Criqui, R.T. Thornton | Air conditioning apparatus | ||