2 Patents for Sale or Investment – Related to Vehicles and an Energy-Free Cooling Device for Medicines, Beverages, and More

I have an invention related to solving the problem of road bumps and effectively reducing accidents

Also an invention of a device for cooling medicines, beverages, and other products that require refrigeration without the need for electrical power

The manufacturing cost of both the first and second inventions is very low

I also have inventions in various sectors

I also have app ideas in financial technology and other service applications