Wyo. Stat. § 6-2-401

(a) A person is guilty of robbery if in the course of
committing a crime defined by W.S. 6-3-402, he:

          (i)   Inflicts bodily injury upon another; or

          (ii) Threatens another with or intentionally puts him
in fear of immediate bodily injury.
     (b) Except as provided in subsection (c) of this section,
robbery is a felony punishable by imprisonment for not more than
ten (10) years.

     (c) Aggravated robbery is a felony punishable by
imprisonment for not less than five (5) years nor more than
twenty-five (25) years if in the course of committing the crime
of robbery the person:

          (i) Intentionally inflicts or attempts to inflict
serious bodily injury; or

          (ii)    Uses or exhibits a deadly weapon or a simulated
deadly weapon.

     (d) As used in this section "in the course of committing
the crime" includes the time during which an attempt to commit
the crime or in which flight after the attempt or commission
occurred.