Christopher J. Vance has been granted 3 US patents while listed as an inventor at Eltech Systems. The first was granted in 1984 and the most recent in January 1988. Christopher J. Vance ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Christopher J. Vance in Chêne-Bougeries, CH.