DG

Don E. Givogue

DG Definitive Technology Group: 1 patents #5 of 13Top 40%
Overall (All Time): #3,645,508 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5887068 Multi-driver in-phase bipolar array loudspeaker Robert G. Johnston, Jr. 1999-03-23