Gregory J. Billiard has been granted 3 US patents while listed as an inventor at Fike. The first was granted in 1998 and the most recent in March 2018. Gregory J. Billiard ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gregory J. Billiard in Lenexa, KS, US.