http://www.google.com/patents?id=vbZvAAAAEBAJ
http://www.google.com/patents?q=fulerum&scoring=2
http://www.google.com/patents?zoom=4&q=fulcrum&scoring=2&lr=&sa=N&start=70
http://www.google.com/patents?q=fulcrum+%22type+bar%22&btnG=Search+Patents&zoom=4&scoring=2&lr=
http://www.google.com/patents?q=fulerum&scoring=2
http://www.google.com/patents?zoom=4&q=fulcrum&scoring=2&lr=&sa=N&start=70
http://www.google.com/patents?q=fulcrum+%22type+bar%22&btnG=Search+Patents&zoom=4&scoring=2&lr=