¶1*683Mr. John H. Sutherland, of St. Louis, Mo., with whom Mr. Francis B. Leech, of Washington, D. C., was on the brief, for appellants. Mr. John H. Bruninga, of Washington, D. C., also entered appearance for appellants.
¶2Mr. E. L. Reynolds, of Washington, D. C., with whom Mr. W. W. Cochran, Solicitor, United States Patent Office, of Washington, D. C., was on the brief for appellee.
¶3Before MILLER, EDGERTON, and ARNOLD, Associate Justices.
¶5The findings and judgment of the trial court find full support in the record. Appellants have failed to meet the burden imposed upon a plaintiff in a Section 4915 proceeding1 and are not entitled to a patent.
¶6Affirmed.