Re: First draft of Stepping Stones

From: Douglas W. Jones <jones_at_cs_dot_uiowa_dot_edu>
Date: Mon Dec 13 2004 - 17:01:26 CST

On Dec 13, 2004, at 4:45 PM, Edmund R. Kennedy wrote:

> I notice that Diebold uses registration bars all around their ballots
> which allows the user to put them in backwards and upside down from
> what would be normal human reading direction.  I guess that means that
> Lindquist or his successors are willing to license the technology.

I think the patents have expired. HP was using registration marks on
their mark-sense card readers in the early 1970's. I tried to do a
search for some of these patents and came up empty. Lindquist's name
doesn't seem to be on his patents -- he merely hired the guy who did
the actual inventing. Westinghouse Learning Corporation became the
licensee, and ES&S can actually trace its ancestry back to a failed
ballot tabulator developed at Westinghouse.

                Doug Jones

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Received on Fri Dec 31 23:17:12 2004

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