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| Patents for Edwin O. Martinson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 3,516,462 | Jun. 23, 1970 | E.O. Martinson, P.A. Huffaker | Apparatus for harvesting trees | |
 | 3,557,849 | Jan. 26, 1971 | E.O. Martinson | Tree harvester | |