Inventor

ZHENG XUEWEN

CN2 patents

⚠️ This page may combine multiple inventors who share the name “ZHENG XUEWEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU BIAO

1 patent

US9631400B2Apr 25, 2017

Multi-mode lock assembly

LIU BIAO23 citations89

SCHLAGE LOCK CO LLC

1 patent

US10648197B2May 12, 2020

Multi-mode lock assembly

SCHLAGE LOCK CO LLC12 citations82