[5] In 1971, the company received an “E” Award for Exports from President Richard Nixon (authorized on his behalf by Secretary of Commerce Maurice Stans.)

As executive vice president and general manager of the firm, Robert Warren was chosen to receive the award on behalf of LECO.

[10] By 1977, LECO had established international subsidiaries in Brazil, Canada, England, France, West Germany, Sweden and South Africa, in addition to its offices and manufacturing plants in the United States.

[8] On June 8, 1977, the Warrens bought the company's outstanding stock from the George J. Krasl Trust, represented by his widow Olga S.

By the 1980s, LECO was developing multi-element analytical instruments for inductively coupled plasma, glow discharge, atomic emission spectroscopy, and time-of-flight mass spectrometry.

[14] In 2004, the Warrens and others arranged for the sale of LECO land in the Silver Beach area, to be transferred to the city of St. Joseph, Michigan for educational and recreational use.