(June 6, 2016, 12:34 PM EDT) -- WASHINGTON, D.C. — In an amicus curiae brief filed May 19 with the U.S. Supreme Court, three manufacturer associations and a legal foundation support several heavy equipment manufacturers opposing a New Hampshire law (Deere & Co., et al. v. State of New Hampshire, No. 15-1213, U.S. Sup.; 2016 U.S. S. Ct. Briefs LEXIS 2042)....