Dino, The 1st US importer was Kjell Qvale I do no know any dates, Certainly Wally Wiss can fill those in, The Canadian distributor ( Stan McRoberts) got 8MA526 in January of 1969 for the 1st Canadian International Auto .
http://www.velocetoday.com/kjell-qvale-1919-2013/
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.