Inventor
CHENG ELMER CHI HANG
HK5 patents
⚠️ This page may combine multiple inventors who share the name “CHENG ELMER CHI HANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLYGROUP MACAU LTD BVI
3 patentsUS10327576B2Jun 25, 2019
Illumination system for an artificial tree
POLYGROUP MACAU LTD BVI5 citations71
US10709278B2Jul 14, 2020
Illumination system for an artificial tree
POLYGROUP MACAU LTD BVI1 citations60
US10143322B2Dec 4, 2018
Universal tree stand systems and methods
POLYGROUP MACAU LTD BVI0 citations50