Ghislain Bergeron has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 1991 and the most recent in December 2019. Ghislain Bergeron ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ghislain Bergeron in Saint-Eustache, QC, CA.