Inventor
CHENG LEWIS KA HANG
CN4 patents
⚠️ This page may combine multiple inventors who share the name “CHENG LEWIS KA HANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLYGROUP MACAU LTD BVI
3 patentsUS11608953B2Mar 21, 2023
Multi-channel flame simulation method and apparatus
POLYGROUP MACAU LTD BVI0 citations56
US11248762B2Feb 15, 2022
Multi-channel flame simulation method and apparatus
POLYGROUP MACAU LTD BVI0 citations56
US10711963B2Jul 14, 2020
Multi-channel flame simulation method and apparatus
POLYGROUP MACAU LTD BVI0 citations45