sentences:  Howlett's second enterprise was a mail-order business, wherein he launched dozens of products on "The New York Times" mail order page, one of which (a plastic organizer tray) was successful (made a profit), but it was not profitable enough.In 1962, he went to work as Marketing Manager for Di/An Controls, inc. a Boston manufacturer of space-borne magnetic memories.1964 to 1968 — Founder and president of NUMEX, a company based on a novel high quality numerical projection readout device that was made obsolete by segmented displays.