Charles E. Johnson

City:

Atkinson, New Hampshire

Country:

United States

Published Applications:

Last publication date:

2015-04-23

Top Assignees for applications by Charles E. Johnson

The entities that hold a legal rights for patent applications filed by inventor Johnson Charles E.:

PianoArc, LLC 2 Ipswich, MA United States

Recent patent applications by Johnson Charles E.

Charles E. Johnson from Atkinson, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2015-04-23

US20150107445A1

Physics

Circular piano keyboard

#2 | 2013-08-01

US20130192444A1

Physics

Circular piano keyboard

InventorID:

359436 ⎘