In a message dated 4/21/06 18:44:07, [log in to unmask] writes:
> 5,184,768 Feb. 1993
> 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=5,184,768.WKU.
> &OS=PN/5,184,768&RS=PN/5,184,768
>
>
Hi Bill,
Thanks for the info--given this patent date (even assuming the disclosure
date is some 5 years earlier), the work done by Bell Labs in 1981/82 and possibly
others would render this patent invalid due to the prior art.


Werner

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