4 ms·
the paper was published in the 1970s but the device itself has been fabricate in Hp labs so there is a very good chance that they got a provisional patent on th
by newt0311 19y ago
the paper was published in the 1970s but the device itself has been fabricate in Hp labs so there is a very good chance that they got a provisional patent on this. They are probably working on a full patent at this time.