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Inventor
TE HSIANG FANG
TW
2 patents
Patents
2 patents
US11833850B2
Dec 5, 2023
Fine tip stylus and pen with aperture for coaxial, retraction and placement
ALFORD JOHN
0 citations
56
US11511560B2
Nov 29, 2022
Fine tip stylus nd pen with aperture for coaxial, retraction and placement
ALFORD JOHN
0 citations
56