All patents now require a working model, or proto-type.
Bell and Gray went to an exhibition in Philadelphia in 1876, where they showed their latest work to the public, even ideas that had not been patented. Steve Jobs, one of the founders of Apple, and Bill Gates, one of the founders of Microsoft, put on flashy exhibits at computer fairs, highlighting products that were still in the early development stages. Indeed, the popular Windows operating system was labeled 'vaporware' several years after it was first announced, because all the promises could no longer disguise the fact that there was not a working version. This presentation should include your group's best sense of how your system might have altered history, in the same way that an inventor at the time would speculate on the potential for his or her device to transform society in beneficial ways. Unless otherwise noted this page and all its contents and subdocuments are copyright 1994 by Michael E. Gorman .