Well I found a link to the official Maid-Rite corp.
http://maid-rite.com/index.php
I remember several places in Iowa calling their loose meat sandwiches maid rites and also taverns. These were not franchises. I didn't know there was a place called Maid Rite, it just seemed like a regional name for the loose meat sandwiches I knew as a sloppy joe. However at the site they list locations of franchises and there is one in Ohio listed at Piqua. I also saw a wikipedia listing with some of the history of it.
P.S. I just happened across this old post as I was searching for something else.