DC

David W. Chew

IBM: 1 patents #253 of 1,444Top 20%
📍 San Juan Capistrano, CA: #6 of 21 inventorsTop 30%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #123,683 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4839756 Apparatus for read/write head loading and unloading in a data recording disk file Willi A. Hagenlocher, Chentung R. Jih, Ernie G. Nassimbene 1989-06-13