Re: [Asrg] US Spam patents: Partial list

At 06:17 PM 6/13/2003 -0400, waltdnes@waltdnes.org wrote:

>On Fri, Jun 13, 2003 at 11:49:59AM -0400, Bob Wyman wrote
>
> >       They may be claiming patents on all C/R systems, but they
> > can't claim all C/R related patents... MailBlocks may have basic
> > patents that might claim some essential element of all C/R systems,
> > but there are still many non-essential elements that their patents
> > don't cover.
>
>   Just how broad are these C/R ("Challenge/Response") patents anyways?
>As a university student approximately 30 years ago, I spent a couple of
>summers in the Canadian Armed Forces Militia (i.e. reserves), as a
>summer job.  One item we learned was... wait for it...
>challenge/response to let the "good guys" in and keep the "bad guys"
>out.  I'm sure that any military college will have manuals detailing
>how it's done.  This is an ancient military practice, and I don't see
>why computer software doing it versus a soldier on patrol doing it is
>sufficiently different to rule it out as "prior art".

Judge for yourself at the USPTO (http://www.uspto.gov) or take a look at 
these links (http://www.solidmatrix.com/research/asrg/cobb_patent.pdf and 
http://www.solidmatrix.com/research/asrg/heiner_patent.pdf). 

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