DH

David R. Helms

SS Sige Semiconductor: 2 patents #1 of 10Top 10%
📍 Tyngsborough, MA: #2 of 12 inventorsTop 20%
🗺 Massachusetts: #740 of 6,583 inventorsTop 15%
Overall (2004): #68,599 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6825725 Integrated power amplifier circuit Mark M. Doherty, John D. Gillis, Michael Joseph McPartlin, Phillip Antognetti 2004-11-30
6822511 Integrated power amplifier circuit Mark M. Doherty, John D. Gillis, Michael Joseph McPartlin, Phillip Antognetti 2004-11-23