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Listings by 'weizhang'

Smart phone application for driving navigation and safety (1856 views)
Asking price:25,000 USD

Picture for patent available
Dual view display convertible for viewing from either side (1861 views)
Asking price:60,000 USD

Picture for patent available
Touch display operable by remote light beam (2130 views)
Asking price:50,000 USD

Picture for patent available

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