John David Jeffery

City:

Chatham

Country:

Canada

Published Applications:

Last publication date:

2018-12-20

Top Assignees for applications by John David Jeffery

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

John David Jeffery from Chatham, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

Variable duration valve system

InventorID:

6490953 ⎘