Steffan also holds multiple patents and patent pending filings in the medical device industry including:
US 8672934: Method for adjusting source impedance and maximizing output by RF generator (issued March 18, 2014)
US 8597287: Method and system for varying output intensity of energy applied to an electrosurgical probe (issued Dec 3, 2013)
US 20140025061 A1: RF energy console including method for vessel sealing (application filed June 6, 2013)