Meg, I will let you follow through, but here are the websites DFH found on Firefly's patents <A HREF="http://www.wipo.int/cgi-pct/guest/ifetch5?ENG+PCT-ALL.vdb+14+1127901-SCORE+256+3+-1+BASICHTML-ENG+9+14+1+25+SEP-0/HITNUM,B,SCORE+Kurtis+AND+Kelley" target="_blank">http://www.wipo.int/cgi-pct/guest/ifetch5?ENG+PCT-ALL.vdb+14+1127901-SCORE+256+3+-1+BASICHTML-ENG+9+...</A> <A HREF="http://www.wipo.int/cgi-pct/guest/ifetch5?ENG+PCT-ALL.vdb+14+1127901-SCORE+256+3+-1+BASICHTML-ENG+11+14+1+25+SEP-0/HITNUM,B,SCORE+Kurtis+AND+Kelley" target="_blank">http://www.wipo.int/cgi-pct/guest/ifetch5?ENG+PCT-ALL.vdb+14+1127901-SCORE+256+3+-1+BASICHTML-ENG+11...</A> And the patent found by logman, as presented or achieved by Catepillar Inc. first, which is the parent company of spin off company Firefly Energy <A HREF="http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PG01&s1=%22lead+acid%22&s2=Caterpillar&OS=%22lead+acid%22+AND+Caterpillar&RS=%22lead+acid%22+AND+Caterpillar" target="_blank">http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FP...</A> And of course PWTC's earlier achieved patent <A HREF="http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=/netahtml/search-bool.html&r=1&f=G&l=50&co1=AND&d=ptxt&s1=6,060,198&OS=6,060,198&RS=6,060,198" target="_blank">http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=/netahtml/search...</A>
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