Digest of decisions of law and practice in the Patent Office : and the United States and state courts in patents, trade-marks, copyrights and labels, 1897-1912 : a supplement to Hart's digest, 1886-1897
Pollard, W. L. (Willard Lacy), b. 1879; Hart, Amos W. (Amos Winfield), 1841-1921. Digest of decisions of law and practice..; United States. Patent Office