RZ

Reinhard Zur

KR Koh-I-Noor Rapidograph: 1 patents #1 of 1Top 100%
Overall (1989): #66,632 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4833490 Writing element with exchange mechanism — 1989-05-23