WD

Walter Melville Dower

BP Blueprint Acoustics Pty: 1 patents #3 of 7Top 45%
Overall (All Time): #1,612,450 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10477316 Amplifier circuit for improved sound Zeljko Velican 2019-11-12
6630865 Push-pull amplifiers Graeme Huon 2003-10-07
6223853 Loudspeaker system incorporating acoustic waveguide filters and method of construction Graeme Huon, Gregory K. Cambrell 2001-05-01