gobar

http://www.nytimes.com/2008/09/24/business/businessspecial2/24farmers.html?em

Is the gobar gas patented??

1 comments:

Vijay said...

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6982161.PN.&OS=PN/6982161&RS=PN/6982161


I found one:))