REGISTRATION RIGHTS AGREEMENT REGISTRATION RIGHTS AGREEMENT, dated as of January 6, 1997, between Procept, Inc., a Delaware corporation (the "Company"), and Furman Selz LLC (together with its permitted assignees, the "Holders"). W I T N E S S E T H...Registration Rights Agreement • March 31st, 1997 • Procept Inc • Biological products, (no disgnostic substances) • Massachusetts
