Mr. Policard said he wanted to sell or license his invention.

He would have to stick it out now that he was Butteridge, and sell his invention.

He did not sell or license his invention to any other party.

I'm the guy that sold your crackpot invention for you, to Zanigew!

Carlson tried to sell his invention to some companies, but failed because the process was still underdeveloped.

Needing money to continue college, he sold his invention to a neon sign company in Canada for $100.

Ever thought about selling your invention and needed to know if someone already beat you to it?

Nobody is going to sell your invention for you.

He had sold his invention for a half more than he had asked.

He hopes to sell his invention through the mail for $10.95 for a year's supply, or 52 string things.