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Inventor profile of:

Ralph E. Barthel

City:

Radnor, Pennsylvania

Country:

United States

Published Applications:

1

Last publication date:

2016-05-19

Recent patent applications by Barthel Ralph E.

Ralph E. Barthel from Radnor, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2016-05-19

US20160137904A1

Chemistry; metallurgy

PROPPANTS AND METHODS OF USE THEREOF

InventorID:

1532940 ⎘