BASIC ENERGY SERVICES, L.P. recorded a security interest over 3 patents to U.S. BANK NATIONAL ASSOCIATION, recorded 2016-12-27.
Evidence
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: BASIC ENERGY SERVICES, L.P. | Assignee: U.S. BANK NATIONAL ASSOCIATION | Patents: 8647598, 9504985, 8647598