Has this technology been used?

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Posted by 106db [ 69.245.193.184 ] on July 12, 2005 at 12:10:26:

http://patimg1.uspto.gov/.piw?docid=US005304746&SectionNum=1&IDKey=0670CF724F20&HomeUrl=http://patft.uspto.gov/netacgi/nph-Parser?u=/netahtml/srchnum.htm%2526Sect1=PTO1%2526Sect2=HITOFF%2526p=1%2526r=1%2526l=50%2526f=G%2526d=PALL%2526s1=5304746.WKU.%2526OS=PN/5304746%2526RS=PN/5304746


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