ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,054, issued on March 18, was assigned to Managed Programs LLC (Auburn Hills, Mich.).

"Chemically resistant inserts and/or spacers for an intake manifold that enable flow of coolant fluid and kits having the same" was invented by Francis Vincent Rolland (Rochester Hills, Mich.), Tim Lee Collins (Oxford, Mich.), Caleb Brownlow Newman (Troy, Mich.) and Krisztian Toth (Clarkston, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Intake manifolds for an internal combustion engine include a first insert configured as a port cap that has a bottom surface defining a first perimeter recess configured to receive a first sealing member, a second insert con...