 HAUPPAUGE, N.Y., March 19, 2021 GLOBE NEWSWIRE -- United-Guardian, Inc. NASDAQ:UG reported today that the company had another profitable year, despite the impact of the global pandemic on the companys sales and earnings. Sales in 2020 were 10,986,081 compared with 13,599,084 in 2019, and net income was 3,304,978 0.72 per share compared with 4,761,711 1.04 per share in 2019. 