A Handy-Book of Patent and Copyright Law: English and Foreign, for the Use of Inventors, Patentees, Authors, and Publishers, Comprising the Law and Practice of Patents, the Law of Copyright of Designs, the Law of Literary Copyright

A Handy-Book of Patent and Copyright Law: English and Foreign, for the Use of Inventors, Patentees, Authors, and Publishers, Comprising the Law and Practice of Patents, the Law of Copyright of Designs, the Law of Literary Copyright