News: Lightbringer raises $10 million in Series A funding

Guess the

Patent

Ten inventions. Six were patented. Four never were. Can you tell which is which?

Five winners will be drawn each day. Good luck!

How to play

  1. 1
    Look at the drawingTen drawings, each with its patent title.
  2. 2
    Pick A, B or CTap a drawing to see it bigger.
  3. 3
    Leave your detailsClosest to 10 each day wins.
APatented BFiled, never granted CNever filed

About 2 minutes · Winners announced 17:00 at the Lightbringer stand

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