PW

Peter Woerwag

DA Dupro Ag: 1 patents #5 of 8Top 65%
Overall (All Time): #1,531,956 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8752241 Vacuum cleaner nozzle with magnetic lock — 2014-06-17
4394606 Speed control circuit for electric motor — 1983-07-19
4370777 Electric motor control for vacuum cleaner — 1983-02-01