Wyo. Stat. § 34-5-104
Any conveyance of real estate made ten (10) years or more prior to January 1st, A.D. 1935, purporting to be acknowledged before any justice of the peace, within or without the state of Wyoming, where such justice of the peace did not state in his certificate of acknowledgment the date of expiration of his office, or where no certificate, or a defective certificate is attached to such deed by the county clerk or clerk of court of the county of such justice of the peace as is required by law in case such acknowledgment is taken before a justice of the peace outside of the state of Wyoming; and any conveyance of real estate made ten (10) years or more prior to January 1st, A.D. 1935, purporting to be acknowledged before any notarial officer, where such notarial officer did not attach his seal to such certificate of acknowledgment, or did not state therein the expiration of the time of his commission; and any conveyance of real estate made ten (10) years or more prior to the 1st day of January, A.D. 1935, where such conveyance does not purport to be properly witnessed; and any conveyance of real estate made ten (10) years or more, prior to the first day of January, A.D. 1935, purporting to be executed by any corporation, where there is any defect or irregularity in the execution or acknowledgment thereof, shall, if the same has been heretofore recorded ten (10) years or more prior to January 1st, 1935, in the office of the county clerk of the county where the real estate therein conveyed is situate, be deemed as valid and as effective and binding as though the defects and irregularities therein, herein mentioned, did not exist and as though in these respects the same had been executed in full accordance with the laws of this state, and the record, or the certified copy thereof, shall be admitted in evidence in all actions or proceedings with the same force and effect as though the defects and irregularities therein, herein mentioned, did not exist, and as though in these respects the same had been executed in full accordance with the laws of this state.
W.S. 34-5-104