Before revision: The company eventually became the Federal Telegraph and Radio Corporation , and its research division Federal Telecommunications Laboratories, both continuing as subsidiaries of ITT after World War II through at least the 1950s.
After revision: In 1954, the ITT division changed its name fromto Federal Telegraph and Radio CompanyCompare copyright notices on F-5658 (1953) and F-5604 (1954) "Federal Power Triode" datasheetsbecame the Federal Telegraph and Radio Corporation , and its research division Federal Telecommunications Laboratories, both continuing as subsidiaries of ITT after World War II through at least the 1950s.