Ones' complement adder/subtractor

Chuck Guzis cclist at
Sat Oct 2 14:23:19 CDT 2010

On 2 Oct 2010 at 11:52, Eric Smith wrote:

> I'm confused.  Which patent are you saying should qualify as prior art?
> The Sun patent is fairly recent, so it can't qualify as prior art with
> respect to the older patents we've mentioned. 

It's hard to believe that the approach used in the Sun patent hadn't 
been used commercially before.  That's what I meant by "prior art".


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