David Graebener

City:

Carson City, Nevada

Country:

United States

Published Applications:

Last publication date:

2009-04-16

Top Assignees for applications by David Graebener

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

AMERICAN TECHNOLOGY CORPORATION 3 San Diego, CA United States
American Technology Corporation 1 San Diego, -

Recent patent applications by Graebener David

David Graebener from Carson City, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2009-04-16

US20090097693A1

Electricity

Planar-magnetic speakers with secondary magnetic structure

#2 | 2007-07-31

US10169218

Single end planar magnetic speaker

#3 | 2007-06-07

US20070127767A1

Electricity

Single-ended planar-magnetic speaker

#4 | 2006-11-28

US10055821

Single-ended planar-magnetic speaker

#5 | 2006-03-09

US20060050923A1

Electricity

Planar-magnetic speakers with secondary magnetic structure

#6 | 2005-08-23

US10075936

Planar-magnetic speakers with secondary magnetic structure

InventorID:

3924195 ⎘