Cafodd dyfais WaveSub ei dyfeisio gan Dr Gareth Stockman a Dr Graham Foster, y ddau yn raddedigion o Brifysgol Abertawe a nhw sefydlodd Marine Power Systems yn 2008.
The WaveSub device is the invention of Swansea University graduates Dr Gareth Stockman and Dr Graham Foster, who founded Marine Power Systems in 2008.