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Inventor
CHANG WEN-DUNG
TW
3 patents
Patents
3 patents
US11511784B2
Nov 29, 2022
Knock-down hamper
SEVILLE CLASSICS INC
3 citations
68
US11999400B2
Jun 4, 2024
Knock-down hamper
SEVILLE CLASSICS INC
0 citations
58
US11702121B2
Jul 18, 2023
Knock-down hamper
SEVILLE CLASSICS INC
0 citations
58