AERO SYSTEMS ENGINEERING, INC. recorded a security interest over 6 patents to KEYBANK NATIONAL ASSOCIATION, recorded 2020-09-22.
Evidence
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: AERO SYSTEMS ENGINEERING, INC. | Assignee: KEYBANK NATIONAL ASSOCIATION | Patents: 10788399, 7153136, 10352824, 8863895, 6997049, 6748800