AB

Andrzej Bortkiewicz

SE Spellman High Voltage Electronics: 1 patents #1 of 2Top 50%
📍 Elmhurst, NY: #1 of 3 inventorsTop 35%
🗺 New York: #1,258 of 5,342 inventorsTop 25%
Overall (1989): #132,379 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805081 Multi-mode control systems for high-frequency resonant inverters Derek Chambers 1989-02-14