David Fitzpatrick

City:

Baltimore, Maryland

Country:

United States

Published Applications:

Last publication date:

2012-04-12

Top Assignees for applications by David Fitzpatrick

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

Polk Audio, LLC 1 Baltimore, MD United States

Recent patent applications by Fitzpatrick David

David Fitzpatrick from Baltimore, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2012-04-12

US20120087511A1

Electricity

Canal phones with structure and method for selectively passing or blocking environmental ambient sound and switchable electrical connections

InventorID:

3140173 ⎘