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Dilator device
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Patent number 9,555,206
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Issue date Jan 31, 2017
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Nestor Omar Raimondi
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dynamic balancing vehicle with a seat
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Patent number 7,690,447
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Issue date Apr 6, 2010
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Deka Products Limited Partnership
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Dean L. Kamen
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Dynamic balancing vehicle with a seat
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Patent number 7,273,116
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Issue date Sep 25, 2007
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Deka Products Limited Partnership
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Dean Kamen
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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Dynamic balancing vehicle with a seat
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Patent number 7,004,271
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Issue date Feb 28, 2006
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Deka Products Limited Partnership
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Dean L. Kamen
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS