US Patent Issued to Gunderson on Oct. 7 for "Door assemblies for insulated boxcars and refrigerated boxcars" (Washington Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,744, issued on Oct. 7, was assigned to Gunderson LLC (Lake Oswego, Ore.).

"Door assemblies for insulated boxcars and refrigerated boxcars" was invented by Dan Aberle (Vancouver, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Door assemblies for insulated boxcars and refrigerated boxcars are disclosed. In some embodiments, the door assemblies include a generally planar base, a liner spaced from the rear surface of the base. The liner includes a central portion and a perimeter portion surrounding the central portion. The door assemblies additionally include a perimeter gasket attached to the perimeter portion and surrounding the central portion. ...