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| Patents for M. E. Hartley | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,200,702 | Oct. 10, 1916 | T. Bodde | Surveying Machine | surveyor | |
| 1,201,139 | Oct. 10, 1916 | F. Austin, T. Bodde | Road Surveying Machine | surveyor | |