Allen Graff

City:

Sutton, Massachusetts

Country:

United States

Published Applications:

Last publication date:

2025-02-06

Top Assignees for applications by Allen Graff

The entities that hold a legal rights for patent applications filed by inventor Graff Allen:

Allen Graff from Sutton, US has applied for patents for these inventions. The list has both pending applications and granted patents:

OPEN-EAR HEADPHONE

Open-ear headphone

Open-ear headphone

Audio device

Acoustic transducer system

InventorID:

2829437 ⎘