Friden, Inc.

Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and mechanical, later electronic calculators. It was founded by Carl Friden in San Leandro, California, in 1934. Friden electromechanical calculators were robust and popular. In 1965 the company was purchased by the Singer Corporation, but continued operation under the Friden brand name until 1974.

Friden, Inc.

Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and mechanical, later electronic calculators. It was founded by Carl Friden in San Leandro, California, in 1934. Friden electromechanical calculators were robust and popular. In 1965 the company was purchased by the Singer Corporation, but continued operation under the Friden brand name until 1974.