Dusty Feistner, 37, of Woonsocket, pled guilty on July 25 to aggravated assault charges against his father, Wayne Feistner, also of Woonsocket.
The assault, which involved a knife, occurred April 20, 2016.  Feistner will be sentenced Aug. 29.
Aggravated assault is a Class 3 felony, which carries a maximum penalty of 15 years in prison and a possible fine of $50,000.