David M. Schaefer

City:

Downers Grove, Illinois

Country:

United States

Published Applications:

Last publication date:

2007-09-20

Top Assignees for applications by David M. Schaefer

The entities that hold a legal rights for patent applications filed by inventor Schaefer David M.:

KNOWLES ELECTRONICS, LLC 1 Itasca, IL United States

Recent patent applications by Schaefer David M.

David M. Schaefer from Downers Grove, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-09-20

US20070217642A1

Electricity

Isolating deep canal fitting earphone

InventorID:

4489802 ⎘