Detectives say both men had medical problems, and they now believe the father and son died of natural causes.
Their bodies were found Monday inside a home at Hammel and Griffith in Tarpey Village.
A postal carrier alerted a neighbor after noticing newspapers and mail stacking up outside. The neighbor, then went inside the home and saw the bodies.
Investigators say the bodies were inside the home for at least a week.
Detectives say they found no evidence of forced entry or foul play.