In addition to the principal register, the Director shall keep a continuation of the register provided in paragraph (b) of section 1 of the Act of March 19, 1920, entitled “An Act to give effect to certain provisions of the convention for the protection of trademarks and commercial names, made and signed in the city of Buenos Aires, in the Argentine Republic, August 20, 1910, and for other purposes”, to be called the supplemental register. All marks capable of distinguishing applicant’s goods or services and not registrable on the principal register provided in this chapter, except those declared to be unregistrable under subsections (a), (b), (c), (d), and (e)(3) of section 1052 of this title, which are in lawful use in commerce by the owner thereof, on or in connection with any goods or services may be registered on the supplemental register upon the payment of the prescribed fee and compliance with the provisions of subsections (a) and (e) of section 1051 of this title so far as they are applicable. Nothing in this section shall prevent the registration on the supplemental register of a mark, capable of distinguishing the applicant’s goods or services and not registrable on the principal register under this chapter, that is declared to be unregistrable under section 1052(e)(3) of this title, if such mark has been in lawful use in commerce by the owner thereof, on or in connection with any goods or services, since before December 8, 1993.