J. D. Marshall International, Inc., an import-export business in Skokie, Ill., was established in 1952 by Marshall Frankel (1928-1986) and Joel Honigberg (1926-2017). In 1968, after Frankel spent the summer in Japan, the partners decided to import electronics, and to form Marshall Electronics, Inc. The Astro Pulse sphygmomanometer was their first important product.
Ref: “Medical Equipment Importer Adding To Sales With Tape Diversification,” Billboard (April 17, 1971).
Anne Douglas, “Let Beeps Read Blood Pressure,” Chicago Tribune (July 25, 1976), p. S-A8.
“International trader Marshall Frankel, 58,” Chicago Tribune (Aug. 30, 1986), p. 8.
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