Daniel E. Grindell has been granted 4 US patents while listed as an inventor at Bourns. The first was granted in 2002 and the most recent in July 2017. Daniel E. Grindell ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Daniel E. Grindell in Calimesa, CA, US.