Okla. Stat. tit. 42, § 42-97: Lien for labor or materials for production, alteration or

repair of personal property - Commencement of lien.

Any person, firm or corporation who furnishes labor, money,

material or supplies for the production of, altering or repairs of

any personal property at the request of the owner of said property,

shall have a lien for the value of his money, labor, material or

supplies upon said personal property as provided for in Section 2 of

this act. Lien to date from commencement of furnishing of labor,

money, material or supplies.