CC

Chung Chang

Schlumberger Technology: 1 patents #95 of 429Top 25%
📍 Zhubei City, CT: #1 of 1 inventorsTop 100%
Overall (2004): #249,229 of 270,089Top 95%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6782970 Acoustic source using a shaftless electrical hammer — 2004-08-31