¶1Mr. Lester B. Clark, of Houston, Tex., with whom Mr. Emmett Leo Sheehan, of Washington, D. G, was on the brief, for appellant.
¶2Mr. Edwin L. Reynolds, United States Patent Office, of Washington, D. G, with whom Mr. W. W. Cochran, Solicitor, United States Patent Office, of Washington, D. G, was on the brief, for appellee.
¶3Before GRONER, Chief Justice, and EDGERTON and PRETTYMAN, Associate Justices.
¶5We find no error in the record. The judgment of the District Court is therefore affirmed.