Patent searching can be tricky and time consuming. If you google search patents and library, you can find a lot of great guides to finding and searching patent information. Here at ELP, we are continually on the look out for interesting new tools and websites that are freely available that might be of interest to our clients.
Two that we came across related to patents, include Patent2PDF and FreshPatents.com. If you have a patent number, you can enter it on the Patent2PDF website and you will get a PDF of the patent. This is much better than a series of individual pages you could print.
FreshPatents lets you find the latest published patent applications to the USPTO before there is a grant or deny decision.
Give it a try, try searching pat2pdf with 4,367,243 and see what you find.