Before revision: In 1954, the ITT division changed its name from Federal Telegraph and Radio Corporation to Federal Telegraph and Radio CompanyCompare copyright notices on F-5658 (1953) and F-5604 (1954) "Federal Power Triode" datasheets, and its research division became the Federal Telecommunications Laboratories, both continuing as subsidiaries of ITT after World War II through at least the 1950s.
After revision: In 1954, FTR changed its name from Federal Telegraph and Radio Corporation to Federal Telegraph and Radio Company - division of IT- an ITT associateTCompare copyright notices on F-5658 (1953) and F-5604 (1954) "Federal Power Triode" datasheets, and its research division became the Federal Telecommunications Laboratories, both continuing as subsidiaries of ITT after World War II through at least the 1950s.