| Invention | Decade or Century | Inventor |
| Bra ? | |
| Typewriter ? | |
| CD (compact disc) ? | |
| Slinky ? | |
| Computer Mouse ? | |
| Steam Locomotive ? | |
| Flush Toilet ? | |
| 'Talkie' Motion Picture ? | |
| Coca-Cola ? | |
| Viagra ? | |
| Life Saver Candy ? | |
| Instant Coffee ? | |
| Escalator ? | |
| MS-DOS ? | |
| Fax ? | |
| Band-Aid ? | |
| Metal Detector ? | |
| Prozac ? | |
| Microwave Oven ? | |
| Bar Code ? | |
| Helicopter ? | |
| Scotch Tape ? | |
| Stapler ? | |
| Fortune Cookies ? | |
| Disposable Camera ? | |
| Post-It Notes ? | |
| Photocopier ? | |
| Credit Card (Diners) ? | |
| Traffic Lights ? | |
| | Invention | Decade or Century | Inventor |
| Floppy Disk ? | |
| Celophane ? | |
| Cornflakes ? | |
| Battery ? | |
| Telegraph ? | |
| Parking Meter ? | |
| Rollerblades ? | |
| Stethoscope ? | |
| Carpet Sweeper ? | |
| Pop-up Toaster ? | |
| iPod ? | |
| Nylon ? | |
| Frozen Food ? | |
| Radar ? | |
| MRI ? | |
| Liquid Paper ? | |
| Hula Hoop ? | |
| Plastic ? | |
| Ball Bearings ? | |
| Tin Can ? | |
| Zeppelin ? | |
| Soda Water ? | |
| Guillotine ? | |
| Safety Pin ? | |
| Bi-focal Eyeglasses ? | |
| Rayon ? | |
| Matches ? | |
| Safety Razor ? | |
|