I'm sorry, but I was only able to find 2 such irons on the Internet.
Cast Iron Waffle Baker
(
http://www.firepies.com/irons.html )
Heavy Duty Cast Iron - Waffle Iron
(
https://www.webhost4u.com/greatcamps....asp?grp=irons )
If the premiere American cast iron cookware company (Lodge
http://www.lodgemfg.com/home.asp ) has waffle irons, they sure are well hidden on their website!
Thank you, very much.
Bruce Paine