Inventor · disambiguated record

Ming-Chao Chang

Also filed as: CHANG MING-CHAO

2 granted patents·25 citations·filing 1974–2005

60Inventor score

Technology areasB23B C02F

Files withCHANG MING CHAO1 IND TECH RES INST1

Top patents by PatentIndex Score

2 records

0177US7288197B2Biological membrane filtration system for water treatment and a water treatment processIND TECH RES INST·Filed 2005·Granted Oct 30, 2007·9 cites·6 claims
0253US3967831ASpring coil holding deviceCHANG MING CHAO·Filed 1974·Granted Jul 6, 1976·16 cites·2 claims

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