Ones' complement adder/subtractor

[Chuck Guzis]

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".

--Chuck