9 ms·

Then you'll be surprised to learn that these were once trademarks: - Aspirin - Escalator - Yo-yo - Zipper

• peterwwillis 14y ago
  Zipper was a trademark?! I need a kleenex, and maybe a band-aid, and a ziploc to put the waste in :-(
  • sharkweek 14y ago
    don't forget to clean your ears out with a q-tip!
• chalst 14y ago
  Ah, you are right. Though Aspirin is not like the others: Bayer lost its intellectual property in the Treaty of Versailles.