Crossword Puzzle Office keeper

Clue: Office keeper

Police officer, slangily (e.g. COP with 3 letters)
What someone in a doctor's office is, or may need to be (PATIENT with 7 letters)
Box-office request (ONEPLEASE with 9 letters)
Staff symbolic of office (BATON with 5 letters)
Officer under Capt. Kirk (MRSULU with 6 letters)
Work at the post office (SORT with 4 letters)
Keeper of the keys (e.g. PETER with 5 letters)
Duplicator in an office (COPYMACHINE with 11 letters)
Rebel officer at Gettysburg (KEMPER with 6 letters)
Word for a keeper? (STET with 4 letters)