Ignacio Layrisse has been granted 13 US patents while listed as an inventor at Intevep, S.A.. The first was granted in 1984 and the most recent in June 2002. Ignacio Layrisse ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Ignacio Layrisse in San Antonio de los Altos, VE.