English to Polish Law/Patents Law (general)

Before me, ............................................., on this day personally appeared......................................, known to me (or proved to me on the oath............), to be the person, whose name is subscribed as a witness to the foegoing instrument of writing, and after being duly sworn by me stated on oath that he saw............, the grantor or person who executed such instrument of writing acknowledged in his presence that he executed the same for the purposes and consideration therein expressed), and that he had signed the same as a witness at the request of the grantor (or person who executed the same.)