Jeffrey P. Chamberlain has been granted 9 US patents while listed as an inventor at Cabot Microelectronics. The first was granted in 2000 and the most recent in December 2007. Jeffrey P. Chamberlain ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Jeffrey P. Chamberlain in Wheaton, IL, US.