There are websites like Inpama.com that you can register for free and they let you market your idea yourself. This is an international marketplace for inventors to sell and market their inventions free of charge. You can also find prospective license-ready technologies and quickly implement it into a finished product.
From small companies, universities, or private patent holders, inpama.com is the global marketplace to buy and sell patented ideas and inventions.
As an inventor on Inpama.com you can:
-promote, market, and sell your inventions.
-create a profile page for your invention with pictures, videos and documents
-find new investors, manufacturers, and worldwide distributors
On the other hand, investors, entrepreneurs, and manufacturers can find new business ideas and new business partners on inpama.com.
For more information have a look on their website: http://www.inpama.com