I just got my Autodesk Inventor 2012 update on a really nice 16Gb usb key. Conveniently I just lost the key I carry so this would make an excellent replacement. The only problem is that it is write ...

Searching google and it doesn't look like anyone has an easy way of making a flash drive read-only across systems. I've seen companies have write protected usb sticks they give away with their company ...