UR

Ulrich Roll

Overall (1994): #55,482 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5349270 Transformerless fluorescent lamp operating circuit, particularly for a compact fluorescent lamp, with phase-shifted inverter control Werner Bernhard, Ludwig Reiser 1994-09-20