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Inventor profile of:

Don Ha

City:

Long Beach, California

Country:

United States

Published Applications:

1

Last publication date:

2020-10-01

Recent patent applications by Ha Don

Don Ha from Long Beach, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-10-01

US20200307820A1

Performing operations; transporting

PRESSURE-OPERATED CHECK VALVE

InventorID:

2863510 ⎘