Mealey's (July 10, 2019, 7:25 AM EDT) -- BOSTON — A rental company recently asked the First Circuit U.S. Court of Appeals to reverse a lower federal court’s finding that an insurance policy that lists it as an additional insured is excess to its own insurance policies in a coverage dispute arising from an underlying boom lift accident, arguing that the lower court erred in finding that either one of its policies was “other valid and collectible insurance” for the purposes of its decision on the priority of coverage (Scottsdale Insurance Co. v. United Rentals, Nos. 18-1593 and 18-1588, 1st Cir.)....