1968: Barth Trailer Company sold to Mike Umbaugh, an investment banker
1969: First Class A Barth Motorhome
1970: Travel trailers phased out, now 100% motorhomes & specialty vehicles
1973: Late73, short windshields replaced by taller windshields designed for the GMC cab-over trucks
1973: Arab Oil Embargo - Late73, GM ships Chevy cutaway van chassis to Barth - Barth Class-C is born.