Bradley

The plaintiffs being the proprietors of letters patent issued to one Stott for a certain gas regulator or governor, entered into an agreement February *630 7,1891, with the defendant Gaden by which they granted to him and his assigns the sole and exclusive right, during the life of said letters patent, to buy, sell, rent, and otherwise dispose of the said governor, for use within the state of California and other states constituting the Pacific Slope. Gaden did not receive the right to manufacture the governors, but it was provided that he should purchase from the plaintiffs all that he might require, and that, in case he failed to faithfully prosecute their introduction or sale, the plaintiffs might terminate the agreement and resume and enjoy all rights under it as fully as if it had never been made. Gaden assigned an interest in the agreement to the defendant Anglo-American Gas Control Company; and this corporation continued to act under the agreement until May, 1892, since which time it has ceased to purchase any of said governors; and in January, 1893, Gaden informed the plaintiffs that they would no longer use this governor in San Francisco. In pursuance of an agreement…