- A freezer for Eskimos.
- AC adapter for solar calculators.
- Air-Bag Motorcycle jacket.
- Anklet wristwatches for contortionists.
- Avalanche prevention goggles.
- Battery powered battery charger.
- Battery-operated nuclear power plants.
- Blinker Fluid.
- Brake oil.
- Breathable space suit.
- Brown undershorts.
- Cabin pressurization system for the Cessna 150.
- Caffeine-free Diet Coke.
- Candy bars with stannous fluoride added.
- Car steering triangles -- doubles as anti-theft device.
- Cast iron wire.
- Cat flap for the fridge.
- Checkered paint.
- Combs for bald-heads.
- Cordless plumb line.
- Dehydrated water.
- Diet celery.
- Digital clock-winder.
- Digital computer.
- Double-sided playing cards.
- Downhill stairmaster.
- Ejector seats for helicopters.
- Electric banana straightener.
- Electric dog polisher.
- Extra-large bicycle clips, for use when cycling in shorts.
- Fat-free Twinkies.
- Felt Jumper cables.
- Fine glass-crystal castanets.
- Fireproof cigarettes.
- Fireproof kindling.
- Fireproof matches.
- Flame-retardant gasoline.
- Flashbulb tester.
- Flavored suppositories.
- Foam rubber toothpicks.
- Freeze Dried Water.
- Frictionless Sandpaper.
- Fur sink.
- Hand-powered chainsaw.
- Ice skate sandals, for use in hot climates.
- Inflatable anchor.
- Inflatable dart board.
- Inflatable PC -- The Ultimate Laptop!
- Kickstand for a tank.
- Laundromat in a nudist colony.
- Leather cutlery.
- Lie detectors for politicians.
- Low salt brine.
- Low-calorie PowerBar.
- Luminous sun-dial, for use at night.
- Matte finish floor wax.
- Mesh raincoat.
- Money with negative face value.
- Motorcycle seat-belts.
- Muffler Bearings.
- Non-intrusive alarm clock (raises a flag instead of ringing a bell).
- Non-stick Cellotape.
- Open-toed Safety Shoes.
- Papier mache step ladder.
- Parachute that opens automatically, upon impact.
- Particle board tent stakes.
- Reduced calorie water.
- Remote control for a computer.
- Remote control for a Watchman.
- Reversible garbage disposal.
- Rubber Kleenex.
- Screen door on a submarine.
- Second-hand fireworks.
- Self-stick frying pan.
- Soap-Dissolver.
- Solar powered flashlight.
- Solar-powered night light.
- Solar-powered pacemakers for elderly sunbathers.
- Steel-belted radial rubber bands.
- Strap-on portable chairs.
- Sugar-coated insulin.
- Sundial with glow in the dark markings.
- Tire chains for motorcycles.
- Trailer hitch for the Honda CVCC.
- Training wheels for timid sports car drivers.
- Umbrella with a skylight.
- Unsinkable submarine.
- Waterproof sponge.
- Waterproof teabags.
- Waterproof toilet paper.