Any person who, after having created any security interest in any article of personal property, either presently owned or after-acquired, for the benefit of another, shall, during the existence of the security interest, sell, transfer, or in any manner dispose of the said personal property, or any part thereof so given as security, to any person or body corporate, without first procuring the consent, in writing, of the owner and holder of the security interest, to any such sale, transfer or disposal, shall be deemed guilty of a Class IV felony.
Neb. Rev. Stat. §§ 69-109