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Inventor profile of:

David Engelhardt

City:

Canton, Connecticut

Country:

United States

Published Applications:

1

Last publication date:

2021-10-07

Recent patent applications by Engelhardt David

David Engelhardt from Canton, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2021-10-07

US20210308495A1

Human necessities

FACE MASK SYSTEM WITH CONDITION INDICATOR

InventorID:

5207282 ⎘