AT

Armin R. Tietze

IBM: 3 patents #26,272 of 70,183Top 40%
📍 San Jose, CA: #14,517 of 32,062 inventorsTop 50%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,676,531 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4693908 Magnetic recording disk with improved lubricant retention Eva-Maria Rossi 1987-09-15
4328607 Manufacturing process for foil magnetic recording disks Horst Denner 1982-05-11
4317150 Foil recording disk structures Edward G. Gruss 1982-02-23