
    Economic Specialty Company, appellee, v. Edward Valve & Manufacturing Company, appellant.
    Gen. No. 27,106.
    Action for royalties upon the manufacture and sale of articles covered by patents. Judgment for plaintiff. Appeal from the Municipal Court of Chicago; the Hon. Daniel P. Trude, Judge, presiding. Heard in the Branch Appellate Court at the October term, 1921.
    Reversed with finding of facts.
    Opinion filed June 27, 1922.
    Lyman, Adams & Bishop, for appellant; Howard F. Bishop and J. Arthur Johnson, of counsel. McMahon, Graber & Elward, for appellee.
   M>. Justice Morrill

delivered the opinion of the court.  