Below is the assignment contract that we usually use. You would need
to print it out, sign it, and snail it to:
-Richard Stallman
-545 Tech Sq rm 425
-Cambridge, MA 02139
+Assignment Coordinator
+Free Software Foundation
+51 Franklin Street, Suite 500
+Boston, MA 02110-1335
USA
Snail a copy of the employer's disclaimer as well.