Thomas H. Keithly has been granted 3 US patents while listed as an inventor at Ebay. The first was granted in 2011 and the most recent in October 2013. Thomas H. Keithly ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Thomas H. Keithly in Monkton, MD, US.