Thank you for letting us know about your find. That is really wonderful news. No wonder I could not come up with the correct spelling. The spelling that you had on the certificate was Slovakonized version of a very German name. You are on your way.
Here is a website which might be of some help too.
My as well give you some more. Never know.
www.dastelefonbuch.de Germany's phone site
www.herold.at Austria's phone book