
    Noerr Estate.
    Argued May 27, 1971.
    Before Bell, C. J., Jones, Eagen, O’Brien, Roberts, Pomeroy and Barbieri, JJ.
    
      
      Howell G. Mette, with him G. Edward S. Mitchell, and Shearer, Mette &■ Hoerner, for appellants.
    
      James H. Booser, with him Francis B. Haas, Jr., Bruce S. Nielson, Harry L. Siegel, McNees, Wallace <& Nwrich, and Siegel and Siegel, for appellees.
    October 12, 1971:
   Opinion

Per Curiam,

Decree affirmed. Appellants to pay costs.  