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USPTO Patent Rankings Data through Dec 31, 2025
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Chen Chang — 1 Patent

Chongqing, CN: #536 of 1,168 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Chen Chang has been granted 1 US patent. All of these patents were granted in 2022. Chen Chang ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Chen Chang in Chongqing, CN.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11268787 Fast acquiring gun sight Keith Bernkrant 2022-03-08

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