On Sun, 19 Mar 2006, Robert Borsuk wrote:
This is the first I've heard of the Thunderscan.
Sounds like a rip
off a product I designed for the Commodore 64 umpteen years ago,
called OptiScan.
... and one that I did for the 5150, and one that a guy in SF did for the
TRS80, and one that Jim did for the Hitype I daisywheel printers, and one
for the MX80, and . . .
I think that that is why the PTO is s'posed to reject "obvious".