The victim, Tony Lee, 66, refused and forced the suspects from the store.
The suspects fled and were last seen running south on Donlon Avenue.
The victim was not injured.
Anyone with information related to the case is asked to call the Ventura Police Department at (805) 339-4416 or Crime Stoppers at (800) 222-TIPS.
Anyone with information leading to an arrest could receive a cash reward of up to $1,000.
