A fellow is selling a Magnavox TV on the Bay which includes the original warranty papers with the store name and location, Mc Gowans at 799 Grand Ave St Paul MN.
http://cgi.ebay.com/ws/eBayISAPI.dll...ayphotohosting
A little Googling later and you can see that address is now a Lawn Equipment store called Smith & Hawken:
http://smith.findlocation.com/results.aspx?page=default
He blocked out the original buyers address or you could look that up too!