whoever, whomever: Donald Duck "Modern Inventions" 1937
whoever, whomever: Old Razor Blade Mangler
whoever, whomever: Hitch-Hiker's Aid
whoever, whomever: Mechanical Bottle Opener
whoever, whomever: Automatic Bundle Wrapper
whoever, whomever: Peanut Sheller
whoever, whomever: Potato Peeler
whoever, whomever: Robot Nurse Maid
whoever, whomever: Pneumatic Pencil Sharpener
whoever, whomever: Hydraulic Potato Peeler and Robotic Barber Chair
whoever, whomever: Robotic Barber Chair
whoever, whomever: Hitch-Hiker's Aid
whoever, whomever: Onion Peeler
whoever, whomever: Museum of Modern Marvels