FH

Friedrich R. Hertrich

DE Digital Equipment: 2 patents #17 of 226Top 8%
📍 Boulder, CO: #16 of 180 inventorsTop 9%
🗺 Colorado: #72 of 1,224 inventorsTop 6%
Overall (1989): #27,857 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4874975 Brushless DC motor — 1989-10-17
4809110 Narrow contour head assembly — 1989-02-28