This Dividend King truly wears the crown.Certifications such as the Good Housekeeping Seal help consumers know which products are safe and perform well. Unfortunately, no Good Housekeeping Seal exists for dividend stocks.However, arguably the next best thing is for a company to belong to the elite group known as Dividend Kings. To qualify, a company must increase its dividend for at least 50 consecutive years. Most income investors will sleep better at night knowing that a stock has such an impressive divid ...