FW

Frederik H. M. Wittkampf

VN Vitafin N.V.: 1 patents #1 of 6Top 20%
📍 Lage Vuursche, NL: #1 of 1 inventorsTop 100%
Overall (1982): #64,604 of 81,411Top 80%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4343312 Pacemaker output circuit Guillaume L. M. Cals, Kornelis A. Mensink, Hendrik L. Brouwer 1982-08-10