David Krofchak

City:

Copper Cliff

Country:

Canada

Published Applications:

Last publication date:

2007-09-13

Recent patent applications by Krofchak David

David Krofchak from Copper Cliff, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-09-13

US20070209476A1

Chemistry; metallurgy

Treatment of base metal smelter slag

InventorID:

4484376 ⎘