FS

Frithjof Schimpff

WA Wayss & Freytag Aktiengesellschaft: 1 patents #1 of 1Top 100%
Overall (1994): #135,237 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5301927 Method of making concrete switch cross ties — 1994-04-12