ANDERSEN INSTRUMENTS, INC. recorded a security interest over 2 patents to SIERRA INSTRUMENTS, INC., A CORP. OF MN, recorded 1984-04-24.
Evidence
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). | Assignor: ANDERSEN INSTRUMENTS, INC. | Assignee: SIERRA INSTRUMENTS, INC., A CORP. OF MN | Patents: 3983743, 4246788