Aleksander B. Hac has been granted 25 US patents while listed as an inventor at Delphi Technologies. The first was granted in 1999 and the most recent in June 2010. Aleksander B. Hac ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Aleksander B. Hac in Dayton, OH, US.