Patents by Inventor Warren Crawford

Warren Crawford has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • OXYGEN TUBING
    Publication number: 20110265792
    Abstract: The present invention relates to oxygen tubing for an oxygen concentrator comprising: a spectrum of colors over the surface tubing, where the spectrum extends over the entire length of the tubing. The spectrum of colors may include red, orange, yellow, green, blue, indigo and violet. The present invention further includes a method of distinguishing oxygen tubing comprising the step of applying a spectrum of colors over the surface length of the tubing.
    Type: Application
    Filed: May 3, 2010
    Publication date: November 3, 2011
    Inventors: GINA CRAWFORD, Warren Crawford