John Alexander MacDonald

City:

Calgary

Country:

Canada

Published Applications:

Last publication date:

2011-11-10

Top Assignees for applications by John Alexander MacDonald

The entities that hold a legal rights for patent applications filed by inventor MacDonald John Alexander:

Brimrock International Inc. 2 Kilgore, TX United States
The Brimrock Group Inc. 1 Calgary, Canada

Recent patent applications by MacDonald John Alexander

John Alexander MacDonald from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2011-11-10

US20110271490A1

Chemistry; metallurgy

System and method that removes contaminants from sulfur

#2 | 2009-10-01

US20090242467A1

Chemistry; metallurgy

System that removes contaminants from sulfur

InventorID:

3470042 ⎘