RS

Richard J. Spanel

IBM: 1 patents #253 of 1,444Top 20%
📍 San Jose, CA: #123 of 546 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #140,324 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4835632 Disk file digital servo control system with multiple sampling rate Shih-Ming Shih, Kenneth G. Yamamoto, Mantle Man-Hon Yu 1989-05-30