ZG

Zheng Gu

TA Tennesee Valley Authority: 1 patents #1 of 8Top 15%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #39,008 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4804462 Beneficiating dolomitic phosphate ores with humic acid Shaung-shii Hsieh 1989-02-14