Keller Rohrback L.L.P. Announces Investigation of Glass Onion Catering Regarding Possible E. Coli Outbreak SEATTLE, Nov. 12, 2013 (GLOBE NEWSWIRE) -- Attorney Advertising. Keller Rohrback L.L.P. is currently investigating Glass Onion Catering's recall of more than 180,000 pounds of ready-to-eat products...