Inventor
BALZER WILLIAM
US8 patents
Patents
8 patentsUS10881896B2Jan 5, 2021
Exercise machine reversible resistance system
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Exercise machine with variable resistance system
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Exercise machine reversible resistance system
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US9868009B2Jan 16, 2018
Exercise machine with variable resistance system
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Exercise machine reversible resistance system
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US10864399B2Dec 15, 2020
Exercise machine with variable resistance system
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US11794064B2Oct 24, 2023
Exercise machine reversible resistance system
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US11298582B2Apr 12, 2022
Exercise machine reversible resistance system
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