sign out of some place

sign someone out of some place

 and sign someone out
to make a record of someone's departure from some place. Did someone sign you out of the factory, or did you just open the door and leave? I signed out those two who just left.
See also: of, out, place, sign

sign something out of some place

 and sign something out
to make a record of the borrowing of something from some place. Dave signed the tape recorder out of the library. Dave signed out the tape recorder as well as some blank tapes.
See also: of, out, place, sign