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Inventor profile of:

Chang He

City:

Ballwin, Missouri

Country:

United States

Published Applications:

1

Last publication date:

2022-02-17

Recent patent applications by He Chang

Chang He from Ballwin, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2022-02-17

US20220047566A1

Human necessities

LONG ACTING IN-SITU FORMING/GELLING COMPOSITIONS

InventorID:

5324793 ⎘