HZ

Hans Zweifel

MW Maschinenfabrik Wifag: 1 patents #32 of 59Top 55%
📍 Boll, CH: #6 of 10 inventorsTop 60%
Overall (All Time): #3,463,003 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6966475 Draw roller with adjustable pull ring Thomas Treuthard 2005-11-22