For 10 points—name this country known as the "land of the free" because it was never an occupied colony, formerly called Siam.
This country's head of state has received patents for a water mill, an oxygen pump and palm oil vehicle fuel. King Bhumibol Adulyadej, who is also an award-winning yacht racer and prolific musician, recently received his fourth patent, on the "super-sandwich" technique to induce rain. For 10 points—name this country known as the "land of the free" because it was never an occupied colony, formerly called Siam.
This country's head of state has received patents for a water mill, an oxygen pump and palm oil vehicle fuel.
Kingdom of {Thailand} [or {Prathet Thai}; or {Muang Thai}]