http://www.google.com/patents?id=G-VVAAAAEBAJ&q=vertical#search
http://www.google.com/patents?scoring=2&q=type+writing+vertical&btnG=Search+Patents
http://www.google.com/patents?scoring=2&q=type+write+vertical+alignment&btnG=Search+Patents
http://www.google.com/patents?scoring=2&q=type+writing+vertical+alignment&btnG=Search+Patents
http://www.google.com/patents?id=qwc_AAAAEBAJ&printsec=abstract&zoom=4&dq=typebar#PPA6,M1
http://www.google.com/patents?scoring=2&q=type+writing+vertical&btnG=Search+Patents
http://www.google.com/patents?scoring=2&q=type+write+vertical+alignment&btnG=Search+Patents
http://www.google.com/patents?scoring=2&q=type+writing+vertical+alignment&btnG=Search+Patents
http://www.google.com/patents?id=qwc_AAAAEBAJ&printsec=abstract&zoom=4&dq=typebar#PPA6,M1
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