It is interesting to note that those who claim that free energy is not possible or that it is a scam have never tried to construct such devices.

Moray was neither the first nor the last inventor that the U.S. Patent Office ignored or refused to grant patents to. A quick trawl on the web will attest to this. I hypothesize that this is a way in which the US government and various vested interests try to suppress inventions in various fields.