Only if RIM is unsuccessful at preventing trademark dilution (like Kleenex and Walkman). If you're interested in reading on trademark dilution, I found that Wikipedia has a link to this source at Boston University School of Law: http://www.bu.edu/law/central/jd/organizations/journals/scit...
I think it was just a guess that General Dynamics made the device. Since no one was on the record about anything, they just did a Google search for "secure pda" and came up with that one.
I wouldn't be surprised if it's a regular BlackBerry with modified software.