String patchNumbers[] = bankDriver.getPatchNumbers();
String[] patchNumbers = bankData.getDriver().getPatchNumbers();
	public Object getValueAt (int row, int col) {	    String patchNumbers[] = bankDriver.getPatchNumbers();	    int i = getPatchNum(row, col);	    return (patchNumbers[i] + " " + bankDriver.getPatchName(bankData, i));	}