EXHIBIT 24.1
POWER OF ATTORNEY


KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Thomas R. Mika and Christine T. Hergenrother, jointly and severally, his attorneys-in-fact, each with the powers of substitution, for him in any and all capacities, to sign  this annual Report of Form 10-Kand any ammendments thereto, and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that each of said attorneys-in-fact, or his substitute or substitutes, may do or cause to be done by virtue hereof.

 
Signature
Title
Date
     
/s/ Thomas R. Mika
President, CEO, and Chairman of the Board
June 25, 2007
Thomas R. Mika
(Principal Executive Officer)
  
     
     
/s/ Christine T. Hergenrother
Chief Financial Officer (Principal
June 25, 2007
Christine T. Hergenrother
Financial and Accounting Officer)
  
     
     
/s/ Edward A. Dohring
Director
June 25, 2007
Edward A. Dohring
    
     
/s/ Jeffrey M. Krauss
Director
June 25, 2007
Jeffrey M. Krauss
    
     
/s/ Duane Wadsworth
Director
June 25, 2007
Duane Wadsworth