Okla. Stat. tit. 62, § 62-602: Execution of public securities by facsimile signature -

Effect.

Any authorized officer, after filing with the Secretary of State

his manual signature certified by him under oath, may execute or

cause to be executed with a facsimile signature in lieu of his

manual signature any public security, or any certificate thereon or

thereto.

Upon compliance with this act by the authorized officer, his

facsimile signature has the same legal effect as his manual

signature.