Memorex History: How a Tech Pioneer Turned Into a Basic Brand Sep 3, 2021 · A Memorex dBS+ FERRIC 90 cassette tape. (Wikimedia Commons) Five times Memorex was sold off or split up throughout its long history. 1981: To Burroughs. In the early 1980s, Memorex wasn’t exactly seen as a strong company, with retellings of its 1970s-era history making it clear it only scraped by, despite its prominence in the consumer market. Burroughs, the company best known for selling business equipment like adding machines, nonetheless saw an opportunity to modernize its approach by ...