Kathey Witherow Darnell has been granted 1 US patent while listed as an inventor at Cosmolab. All of these patents were granted in 2007. Kathey Witherow Darnell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Kathey Witherow Darnell in Belfast, TN, US.