Here is the site to Griffin's (AirGen) main patent application: http://tinyurl.com/jdpco
or http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=3&f=G&l=50&co1=AND&d=PG01&s1=Linnard.IN.&s2=Griffin.IN.&OS=IN/Linnard+AND+IN/Griffin&RS=IN/Linnard+AND+IN/Griffin Claims 1. An apparatus for the production of hydrogen, comprising: a solution with a pH less than 7; a first colloidal metal suspended in the solution; and a non-colloidal metal. 2. The apparatus of claim 1, wherein the first colloidal metal is less reactive than the non-colloidal metal. 3. The apparatus of claim 1, wherein the first colloidal metal is more reactive than the non-colloidal metal.

