H. John Lohn, III has been granted 8 US patents while listed as an inventor at Dsc/Celcore. The first was granted in 1999 and the most recent in February 2001. H. John Lohn, III ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list H. John Lohn, III in Collierville, TN, US.