David John Preston

City:

Cornwall

Country:

Great Britain (UK)

Published Applications:

Last publication date:

2007-07-19

Recent patent applications by Preston David John

David John Preston from Cornwall, GB has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-07-19

US20070167531A1

Chemistry; metallurgy

Natural particulate carbonate

InventorID:

4454964 ⎘