Jonathan R. Spence

City:

Edmonton

Country:

Canada

Published Applications:

Last publication date:

2006-11-09

Recent patent applications by Spence Jonathan R.

Jonathan R. Spence from Edmonton, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2006-11-09

US20060249431A1

Chemistry; metallurgy

Low energy process for extraction of bitumen from oil sand

InventorID:

4729381 ⎘