DH

Dirk Heumann

VK Vacuumschmelze Gmbh & Co. Kg: 2 patents #4 of 27Top 15%
Overall (2003): #69,943 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6617941 Method for designing a filter system 2003-09-09
6559808 Low-pass filter for a diplexer Jörg Petzold, Johannes Beichler 2003-05-06