Inventor
WEI CHIA-CHENG
TW4 patents
Patents
4 patentsUS6935878B2Aug 30, 2005
Electrical plug with pivotable and retractable terminals
POWERTECH IND CO LTD30 citations90
US6789653B1Sep 14, 2004
Contact structure for cable reel
POWERTECH IND CO LTD21 citations90
US10297967B2May 21, 2019
Rotatable socket device and socket module thereof
POWERTECH IND CO LTD4 citations71
US12272907B2Apr 8, 2025
Power connection assembly having a rotating function
POWERTECH IND CO LTD0 citations50