The game of pool as we know it began in the very early 1800's. However, the first evolution of the outdoor games resulted in indoor billiards tables in the 1420's. The exact year and location is unknown.
jonny pool
1999
The "Creepy Crawly" Pool cleaner that crawls along the bottom and sides of your pool sucking up dirt, was invented in South Africa.
Michale PoolStick
To keep hair out of the pool.
The year was when the Earth was FORMED. The ocean IS A REALLY BIG SWIMMING POOL.
The ozone layer was invented by Mario Molina. He found the pool of ozone.
Swimming pool sports started from Britain around 1830, but first swimming pools games started in Olympic in 1896.
Industrial Thermo Polymers (Brampton, ON, Canada) ITP began manufacturing the first ever commercial noodle toy in 1988.
Kreepy Krauly. An automatic swimming pool cleaning device. Arguably, the first genuinely successful device of its kind.
Ray Pool of Mesa Arizona