FH

Friedrich R. Hertrich

DE Digital Equipment: 10 patents #67 of 2,100Top 4%
📍 Boulder, CO: #701 of 5,018 inventorsTop 15%
🗺 Colorado: #4,613 of 40,980 inventorsTop 15%
Overall (All Time): #528,445 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4908826 Stored data error correction system 1990-03-13
4874975 Brushless DC motor 1989-10-17
4809110 Narrow contour head assembly 1989-02-28
4788465 Armature for DC motor 1988-11-29
4720913 Mechanism for joining tape leaders 1988-01-26
4662049 Mechanism for joining tape leaders 1987-05-05
4572460 Means for pulling tape from a reel 1986-02-25
4390912 Transducer positioning system and data disk therefor Slobodan R. Perera 1983-06-28
4260914 Differential linear velocity transducer 1981-04-07
4208679 Transducer positioning system for rotating disk drive units 1980-06-17