[VemyhemiHef]

I don't think it's a strange question, but the problem with this scenario is that it's highly unlikely.

When you project you do so one of many ways- into an energetic representation of the physical world, (the etheric or real time zone), into a highly volatile version of reality (the astral) in which your subconscious can affect what you perceive in many ways (or completely), and when you do step out of the 'here and now' and go to either the past of the future, what you see may be a probable future, not necessarily the most probable future.
Now, the second problem with this scenario has to do with the accuracy of written data- many people have observed that it is easier to remember things like letters and numbers in dreams than in projection, and sometimes you can have information/data in your memory for very little time and it vanishes as soon as your consciousness begins to wake up.
Depending on the nature of the information, I can see how some types can be easily pulled out into the conscious state such as music, and some graphics (large shapes, drawings) but certain things like schematics and writing tend to change as you try to retrieve it into consciousness.
I'm sure this scenario is possible, and some inventions have been brought up from the dreamstate (allegedly by the inventors), but I don't know of any information that has been retrieved that way from a projection.