319.235  Encumbrance of coowned motor vehicle or mobile home.--When a motor vehicle or mobile home is registered in the names of two or more persons as coowners in the alternative by the use of the word "or," whether or not the coowners are husband and wife, each coowner shall be deemed to have granted to any other coowner the absolute right to place a lien or encumbrance on the motor vehicle or mobile home; and the signature of one coowner shall constitute proper execution of the notice of lien. When a motor vehicle or mobile home is registered in the names of two or more persons as coowners in the conjunctive by the use of the word "and," the signature of each coowner shall be required in order to place a lien or encumbrance on the motor vehicle or mobile home.