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Inventor profile of:

William David Corwin

City:

Clive, Iowa

Country:

United States

Published Applications:

1

Last publication date:

2007-02-01

Recent patent applications by Corwin William David

William David Corwin from Clive, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2007-02-01

US20070022560A1

Human necessities

Central vacuum system and method for treating the system

InventorID:

4344464 ⎘