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Air-driven generator
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Patent number 10,968,883
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Issue date Apr 6, 2021
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Mark J. Maynard
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Air-driven generator
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Patent number 10,683,839
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Issue date Jun 16, 2020
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Mark J. Maynard
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Open-flow vertical wind generator
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Patent number 8,591,171
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Issue date Nov 26, 2013
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Mark Maynard
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...