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Patents for Edwin O. Martinson
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
3,516,462Jun. 23, 1970E.O. Martinson, P.A. HuffakerApparatus for harvesting treestree felling machines
3,557,849Jan. 26, 1971E.O. MartinsonTree harvestertree felling machines
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