Stephen Simpson

City:

Grand Rapids, Michigan

Country:

United States

Published Applications:

Last publication date:

2025-07-24

Recent patent applications by Simpson Stephen

Stephen Simpson from Grand Rapids, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-07-24

US20250235003A1

Human necessities

BACK SUPPORT ATTACHMENT SYSTEM FOR AN OFFICE CHAIR

InventorID:

7235252 ⎘