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Inventor profile of:

Don Penn

City:

Grapevine, Texas

Country:

United States

Published Applications:

1

Last publication date:

2017-08-31

Recent patent applications by Penn Don

Don Penn from Grapevine, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2017-08-31

US20170248333A1

Mechanical engineering

GEOTHERMAL HEATING AND COOLING SYSTEM

InventorID:

1971507 ⎘