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• The following are Registered Trademarks owned by White Labs: White Labs® (throughout the world, including the United States, Australia and the European Union; White Labs®  is also a Registered Trademark in China); the White Labs logo with microscope; Yeastman® and the Yeastman superhero logo; the Big QC Day logo; White Labs Brewing Co.®; PurePitch®; California Ale Yeast®. Additionally, the White Labs' tapered and flared vial is a Registered Trademark of White Labs, as are numerous beers produced by White Labs Brewing Co., including Buchner Pale Ale®, De Clerck Dubbel®, Leeuwenhoek Saison®, Pasteur Porter®, Tabberer IPA®, Frankenstout®, and the Frankenbrau® family of beers.