Reply To: Barberpole Phaser?By seancostello / May 23, 2010 Home › Forums › Products › Rackmount › Barberpole Phaser? › Reply To: Barberpole Phaser? May 23, 2010 at 6:41 am #120433 seancostelloMember http://www.pat2pdf.org/patents/pat4399326.pdf