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Inventor profile of:

John E. Freeman

City:

Big Spring, Texas

Country:

United States

Published Applications:

1

Last publication date:

2012-10-04

Recent patent applications by Freeman John E.

John E. Freeman from Big Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2012-10-04

US20120251337A1

Mechanical engineering

Sliding valve downhole pump

InventorID:

3268871 ⎘