DB

David Burns

UL Ultra Electronics Limited: 1 patents #16 of 52Top 35%
Overall (All Time): #3,735,832 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5489839 Pulsed switching power supply for electroluminescent light centered on zero-crossing Victor L. Shannon 1996-02-06