Inventor
CHEN CHIYUAN
TW4 patents
Patents
4 patentsUS11564501B2Jan 31, 2023
System, apparatus, and method for a convertible child high-chair and step stool
GRACO CHILDRENS PRODUCTS INC2 citations67
US11259648B2Mar 1, 2022
System, apparatus, and method for a convertible child high-chair and step stool
GRACO CHILDRENS PRODUCTS INC2 citations67
US11849849B2Dec 26, 2023
System, apparatus, and method for a convertible child high-chair and step stool
GRACO CHILDRENS PRODUCTS INC0 citations57
US10932588B2Mar 2, 2021
System, apparatus, and method for a convertible child high-chair and step stool
GRACO CHILDRENS PRODUCTS INC0 citations57