ISBN 9781179326436 books & textbook
A Digest of Patent Office Decisions, 1869-1879: Being a Digest, in Classified and Chronological Order, of Substantially All the Reported Decisions of the Commissioners of Patents to January 1, 1880
Simonds, William Edgar United States Patent Office
Nabu Press /2011-09-02 Paperback / 350 Pages
isbn-10: 1179326431 / isbn-13: 9781179326436