Hidden Hitch Ford Explorer Installation Instructions, Part #83607, Jul. 04, 1995. |
Body Components, Underbody Components, Trailer Hitch, p. 25, 1993. |
Copies of (3) photographs of a Trailer Hitch with Welded Electrical Connector Bracket (admitted prior art). |
Advertising Article "Weatherproof Power Outlets", Hoffman Engineering Corporation, p. 12, 1962. |
"Hoffman Engineering Corporation", Cat. No. 202, electrical enclosure at far right, p. 12, 1962. |
(3) photographs of a Trailer Hitch with Welded Electrical Connector Bracket (admitted prior art). |