Robert Kirschbaum has been granted 6 US patents while listed as an inventor at Stamicarbon B.V.. The first was granted in 1984 and the most recent in February 2001. Robert Kirschbaum ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert Kirschbaum in Sittard, CO, NL.