Christopher Birnbaum has been granted 2 US patents while listed as an inventor at Drvision Technologies. The first was granted in 2010 and the most recent in October 2023. Christopher Birnbaum ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Christopher Birnbaum in Bellevue, WA, US.