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Yes, the ones for Mehl, Lehe and Wesermünde are unfortunately only available in German; just Kernen and Bremerhaven have a wiki page in English.

You could use Yahoo! Babel Fish - Text Translation...

The scutcheon is easy: it's Solingen's.

There is a Hermann Mehl GmbH sheet and stainless steel company, but it's in a different part of Germany (Kernen near Stuttgart) and its history goes back...