Clicks on the links to the left display data in this frame.
Clicking on a patent number brings up the first page of 
that patent. A click on the [D] shows the Datamp entry for 
that patent if there is one.  A click on the [U] brings up the page showing the 
patent's classification.  Lastly, a click on the [S] brings up the patent's 
specification page (generally the first non picture page showing among 
other things, the patentees name, city and state).
New: the [G] link brings up the patent at google!
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Note that the patents to the left are only the utility patents for the
date selected.