How do you go about getting an invention or product looked at and not get stolen

Question

How do you go about getting an invention or product looked at and not get stolen

Answer 1

I would find someone who is knowledgeable in the relevant area that can be trusted through friends and family. That might give you an idea of how valuable is what you have and how/whether it would be worth pursuing serious evaluations.  

Answer 2

You have to get a lawyer in that field.

Answer 3

I have the same Delmar  i checked out a site but not sure they are confidently secure or not.  Emachineshop.com    Go have a look and let me know what you think. because I have a great idea that I don't want stolen. I want to get rich or at least better off.