John Erwin Treft

City:

Fairfield, Ohio

Country:

United States

Published Applications:

Last publication date:

2011-02-08

Top Assignees for applications by John Erwin Treft

The entities that hold a legal rights for patent applications filed by inventor Treft John Erwin:

John Erwin Treft from Fairfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Drive belt guard for a roller conveyor

Spline roller for a belt-driven roller conveyor, and method for making

Tapered spline roller for curved roller conveyor

InventorID:

4290306 ⎘