Gerhard P. Deffner has been granted 11 US patents while listed as an inventor at Texas Instruments. The first was granted in 1994 and the most recent in September 2006. Gerhard P. Deffner ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Gerhard P. Deffner in Dallas, TX, US.