KF

Klaus H. Frielinghaus

FS Federal Signal: 1 patents #3 of 29Top 15%
🗺 New York: #804 of 3,580 inventorsTop 25%
Overall (1982): #48,025 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4351504 Track circuit principle wheel detector — 1982-09-28