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 /
by W. L. Pollard.

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Item Link Original Source
Full view   University of California
Full view   University of Michigan
Full view   suppl. 1912/1919 University of Michigan