
    Sky Projection Corporation, appellee, v. Aerograph Company of America et al., defendants. Gregor Melikov et al., appellants.
    Gen. No. 33,666.
    Opinion filed October 11, 1929.
    Rehearing denied October 22, 1929.
    John F. Higgins, Myer H. Gladstone and Arnold N. Frieder for appellants; Myer H. Gladstone, of counsel. Gallagher, Kohlsaat, Rinaker & Wilkinson, for appellee.
   Mr. Justice Gridley

delivered the opinion of the court.  