The Bensalem Police Department says Stanley Wilson assaulted and stabbed a customer in the store on the 2200 block of Lincoln Highway on Friday.
The victim survived.
Police say Wilson fled the scene after the attack.
Police issued a warrant for Wilson on Tuesday. They consider him to be armed and dangerous.
Wilson faces multiple charges including attempted homicide and aggravated assault.
Anyone with information is asked to contact Bensalem police at (215) 633-3719.