Inventor

CHANG MING-CHAO

2 patents

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

IND TECH RES INST

1 patent

US7288197B2Oct 30, 2007

Biological membrane filtration system for water treatment and a water treatment process

IND TECH RES INST9 citations68

CHANG MING CHAO

1 patent

US3967831AJul 6, 1976

Spring coil holding device

CHANG MING CHAO16 citations64