ite concerning them, make the combination any the less illegal. Prices are fixed when they are agreed upon. United States v. Socony-Vacuum Oil Co., supra, p. 222. The fixing of prices by one member of a group, pursuant to express delegation, acquiescence, or understanding, is just as illegal as the fixing of prices by direct, joint action. Id. Since there was price-fixing, the fact that there were business reasons which made the arrangements desirable to the appellees, the fact that the effect of the combination may have been to increase the distribution of hardboard, without increase of price to the consumer, or even to promote competition between dealers, or the fact that from other points of view the arrangements might be deemed to have desirable consequences would be no more a legal justification for price-fixing than were the “competitive evils” in the Socony-Vacuum case.
But it is urged that the arrangement is saved from the Sherman Act by the General Electric case. The District Court so held, as we have noted. In that connection, the District Court found that Masonite’s patents on hardboard were “fundamental and basic,” that there was no monopoly or restraint other than the monopoly or restraint granted by the patents, that the parties had an honest and sincere intent to recognize and exercise the rights belonging to Masonite under its patents, and that the agreements constituted a “true agency” to carry out that purpose. We assume arguendo that the patents in question, owned by Masonite, are valid. But we do not agree that the “agency” device saved the arrangement from the Sherman Act.
Del credere agency has an ancient lineage and has been put to numerous business and mercantile uses. Chorley, Del Credere, 45 Law Quarterly Rev. 221; Mechem, Agency (2d ed.) ch. IY. But, however useful it may be in allocating risks between the parties and determining their rights inter se, its terms do not necessarily control