The Wrong Mr. Wright.

Scott Sidney silent mistaken identity romantic comedy about a timid man, named Seymour White, who creates a new kind of ladies' lingerie. When he goes to Atlantic City to meet his lost sweetheart, he discovers she has grown fat and ugly, so he pretends to be "Mr. Wright". All kinds of comic hilarity ensue. This is a "lost" film, which means that no surviving copies are thought to exist.