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Yuan CHANG
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Albany, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Motion activated bow sight light
Patent number
11,846,492
Issue date
Dec 19, 2023
Yuan Chang
F41 - WEAPONS
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Patent Grant
Motion activated bow sight light
Patent number
11,415,390
Issue date
Aug 16, 2022
Yuan Chang
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
MOTION ACTIVATED BOW SIGHT LIGHT
Publication number
20220390208
Publication date
Dec 8, 2022
Yuan CHANG
F41 - WEAPONS
Information
Patent Application
MOTION ACTIVATED BOW SIGHT LIGHT
Publication number
20210239424
Publication date
Aug 5, 2021
Yuan CHANG
F41 - WEAPONS