WS

Waldemar Stephan

WA Wilo Ag: 3 patents #1 of 7Top 15%
Overall (2002): #18,841 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6474951 Controller for pump and valve Albert Genster 2002-11-05
6473562 Method for low-speed operation of brushless DC motors 2002-10-29
6342770 Method for starting brushless DC motors Steffen Katzer 2002-01-29