Walter R. Bard, an artist / designer for Swift & Co. in Chicago came up with the original design. he took it to a lawyer for patenting - the lawyer stole the idea and sold it.
Actually, there are many ways to recycle plastic milk jug. Below are some:
1. Poke holes in the bottom in make use as a watering.
2. You can use it as a scoop.
3. Cut and use as a seed starting...