Robert A. Combs has been granted 2 US patents while listed as an inventor at Rosemount Aerospace. The first was granted in 2013 and the most recent in July 2016. Robert A. Combs ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert A. Combs in Deephaven, MN, US.