Two major cooler companies are involved in a federal patent lawsuit in Texas. Yeti Coolers claims Igloo Products mimicked its stainless steel Rambler Drinkware line and tried to pass it off as its own. Court documents say Austin-based Yeti is hoping to get part of Igloo's profits and a federal recall of Igloo's stainless steel line. Yeti filed a similar suit over Igloo's cooler bag patents earlier this year. That suit ended up being tossed.