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| Patents for H. R. McLellan | |||||
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| Number | Date | Patentee | Title | Type | |
| 858,617 | Jul. 02, 1907 | A.L. Mowry | Rotary engine | rotary steam engines | |
| CA-107,040 | Aug. 20, 1907 | A.L. Mowry | Rotary engine | rotary steam engines | |