Hello again,

Maybe one of our visitors will know of a common brand you can find at the supermarket. Here's a company the produces ribbed lasgana noodles. I don't know if they're exactly the same as what you're looking for, but take a peek here (scroll to the bottom of the page when you get there):

Dakota Growers Pasta Co.

Here's contact info:
Dakota Growers Pasta Company
One Pasta Avenue
Carrington, ND 58421
(701) 652-2855
Fax (701) 652-3552

Happy Cooking!

Betsy