Okla. Stat. tit. 19, § 19-261: Instruments filed for record - Printed or typed name of

signer.

From and after the effective date of this act, all instruments

filed for record in the office of any county clerk within the State

of Oklahoma shall, under the signature affixed to said instrument,

bear the printed or typed name of the signer thereof. Provided,

that the failure of any such instrument to bear the printed or typed

name of the signer thereof, shall not affect the validity of such

instrument or the filing or recordation thereof.