Patents and the anti-trust laws of the United States including trade-marks and copyrights. - Toulmin, Harry Aubrey 1890- (Cincinnati W. H. Anderson Co., 1950)
Kept up to date by supplements.
"Reprinted from Toulmin's Anti-trust laws of the United States, volume four."
Keywords: Patent laws and legislation -- United States; Trademarks -- United States; Copyright -- United States; Antitrust law. -- United States