BALA CYNWYD, Pa., April 1, 2015 /PRNewswire/ -- Law office of Brodsky & Smith, LLC announces that it is investigating potential claims against the Board of Directors of Revett Mining Company, Inc. ("Revett" or "the Company") NYSE MKT-RVM-News) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to Hecla Mining Company ("Hecla").read more