MR. JUSTICE MURPHY delivered the opinion of the Court.
In issue here is the validity of United States Patent No. 1,877,504, relating to "the treatment of deep wells, such as oil, gas, brine or water wells, to increase the output therefrom," issued to John J. Grebe and Ross T. Sanford on September 12, 1932.
Petitioner, the owner of the patent, brought this suit against respondent for alleged infringement. Both the District Court for the Eastern District of...
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