http://www.cbsnews.com/stories/2004/09/06/politics/main641481.shtmlCritics claim typewriters didn't have that ability in the 1970s. But some models did. In fact, other Bush military records already released by the White House itself show the same superscript – including one from 1968.
Some analysts outside CBS say they believe the typeface on these memos is New Times Roman, which they claim was not available in the 1970s.
But the owner of the company that distributes this typing style says it has been available since 1931.
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"We look basically at what's called significant or insignificant features to determine whether it's the same person or not," Matley said. "I have no problem identifying them. I would say based on our available handwriting evidence, yes, this is the same person."
Matley finds the signatures to be some of the most compelling evidence.
Reached Friday by satellite, Matley said, "Since it is represented that some of them are definitely his, then we can conclude they are his signatures."