The Broxo Electric Toothbrush was introduced in the USA by E. R. Squibb and Sons Pharmaceuticals in 1959.
In 1972, Richard B. Salomon retired, and the company was acquired by pharmaceutical company E.R. Squibb, with a market value of $100 million.
In 1958, Chapman became chairman and chief executive officer of Beech-Nut Life Savers Inc., which merged with E. R. Squibb and Sons Inc., later becoming the Squibb Corporation.