In 1934, United Aircraft & Transport is dissolved as a result of federal opposition to the continued affiliation of airlines with aircraft equipment manufacturers. Its businesses form three new corporations: United Aircraft, the Boeing Airplane Company and United Air Lines Transport.
In 1975, the United Aircraft Corporation changes its name to United Technologies Corporation "to connote the breadth of its products, markets, and activities."
In 1981, the Space Shuttle Columbia is launched with Hamilton Standard and UTC Fuel Cells systems, including space suits, environmental control systems and fuel cells for electrical power.
Preferred Stock Certificate, issued in the 1970’s
Printed by the American Bank Note Company
8” (h) x 12” (w)
This certificate has vertical fold lines, punch hole cancels in the signature areas and body.