Question: What is an approx. Cost for getting a patent on a device using a patent attorney ?

And should I use one of the patent companies like enventys, who are based in Charlotte, to investigate my device prior to or after I get an attorney ?

Answer: The cost of having an attorney prepare your application can widely vary. Some charge an hourly fee and some charge fixed fees. You should also find out if the filing fees payable to the patent office are included in an estimate you obtain.