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From: "Bruno Luong" <brunoluong@yahoo.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Plotting 3-D Surface & Surface Fitting
Date: Wed, 5 Dec 2007 06:30:24 +0000 (UTC)
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"John D'Errico" <woodchips@rochester.rr.com> wrote in
message <fj4ljd$n3g$1@fred.mathworks.com>...

> 
> Not available in the public domain. It gets tricky,
> since gridfit is a variation of a tool that I developed
> almost 20 years ago. At the time, Kodak had me
> gain several US patents on the methods used, AS
> they are applied to color characterization
> modeling.
> 
> So, no, sorry. Despite the many times that I've
> been asked for a higher dimensional version, I
> can't encourage anyone to potentially violate a
> patent. Perhaps I can change my mind one day
> in the future when those old patents are no
> longer active...
> 

I believe patents expire in about 15/20 years depending on
the country.

Bruno