CC

Cheng-Tze Chang

AT AT&T: 1 patents #270 of 1,042Top 30%
📍 Lisle, IL: #13 of 46 inventorsTop 30%
🗺 Illinois: #1,021 of 4,484 inventorsTop 25%
Overall (1994): #150,641 of 165,921Top 95%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5329573 Arrangement for obtaining authentication key parameters in a cellular mobile telecommunications switching network Chinmei Chen Lee, Yie-de Zhu 1994-07-12