CPT (Cassette Power Typing) Corporation was a leading name in dedicated word processing systems during the 1970s and early 1980s.
In May 1971, CPT Corporation was founded in Minneapolis, Minnesota. Their first product, a dedicated word processing system named the CPT Cassetype Series 4200, was available the following year.
- Binary Dinosaurs - CPT Corporation
- Lexikon's History of Computing - Dedicated Word Processing Microcomputers (including CPT, among others)