David John Murphy

City:

Henley Beach

Country:

Australia

Published Applications:

Last publication date:

2014-07-03

Top Assignees for applications by David John Murphy

The entities that hold a legal rights for patent applications filed by inventor Murphy David John:

KRIX LOUDSPEAKERS PTY LTD 1 Hackham, SA Australia
Krix Loudspeakers Pty Ltd. 1 Hackham, Australia
Krix Loudspeakers Pty Ltd 1 Hackham, South Australia, Australia
Krix Loudspeakers Pty Ltd. 1 South Australia, Australia

Recent patent applications by Murphy David John

David John Murphy from Henley Beach, AU has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2014-07-03

US20140185854A1

Electricity

Acoustic horn arrangement

#2 | 2011-06-23

US20110153282A1

Physics

Method of designing a sound waveguide surface

#3 | 2008-03-06

US20080059132A1

Physics

Method of designing a sound waveguide surface

#4 | 2006-05-16

US10663563

Constant directivity acoustic horn

InventorID:

822815 ⎘