Besides the USPTO link isn't any better. Here is the patent on Google Patents: http://www.google.com/patents/about?id=MAUgAAAAEBAJ&dq=US+5255452 http://www.goog

Besides the USPTO link isn't any better. Here is the patent on Google Patents: http://www.google.com/patents/about?id=MAUgAAAAEBAJ&dq=US+5255452 http://www.google.com/patents/about?id=MAUgAAAAEBAJ&dq=U...