Young and Bell's Patents Act, 1904
CHAPTER iv. An Act for rendering valid certain Letters Patent granted to William Young and Alexander Bell in respect of an invention for improvements in the decomposition of mineral oils for the production of illuminating gas and to William Young in respect of inventions (1) for improvements in the production of illuminating gas from mineral oils and in apparatus therefor and for producing water gas and (2) for improvements in the production of illuminating gas and bye-products from liquid hy...