Inventor

CHEN CHIA MAO

TW3 patents

Patents

3 patents

US10395876B1Aug 27, 2019

Protection device

POLYTRONICS TECHNOLOGY CORP11 citations79

US11201026B2Dec 14, 2021

Protection device and circuit protection apparatus containing the same

POLYTRONICS TECHNOLOGY CORP2 citations68

US10943755B2Mar 9, 2021

Protection device

POLYTRONICS TECHNOLOGY CORP0 citations57