Gene A. Grindstaff has been granted 15 US patents while listed as an inventor at Intergraph Software Technologies. The first was granted in 2003 and the most recent in July 2022. Gene A. Grindstaff ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Gene A. Grindstaff in Huntsville, AL, US.