A well-known Bangor businessman has passed away.The family of Harold Bouchard says the former owner of H.O. Bouchard died Friday night in Florida at the age of 77.Bouchard, who was known as H.O., was a cancer survivor. He battled prostate cancer for 20 years and was also diagnosed with lymphoma. His son Brian has taken control of the company since 2008. Bouchard will be remembered for his philanthropy. He’s given generously to dozens of community causes, from youth sports leagues to scholarships to Cancer Care of Maine.