Decisions of the Commissioner of Patents and of the United States Courts in Patent and Trade-Mark and Copyright Cases: Comp. from Vols. ..., Incl., of the Official Gazette of the U.S. Patent Office During the Year .... 1869

Decisions of the Commissioner of Patents and of the United States Courts in Patent and Trade-Mark and Copyright Cases: Comp. from Vols. ..., Incl., of the Official Gazette of the U.S. Patent Office During the Year .... 1869