ALDEN CORPORATION, A CORP. OF CT. recorded a security interest over 3 patents to DRILL-OUT INCORPORATED, A CORP. OF CO., recorded 1990-05-24.
Evidence
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: ALDEN CORPORATION, A CORP. OF CT. | Assignee: DRILL-OUT INCORPORATED, A CORP. OF CO. | Patents: D329786, 4604917, 4777850