There is some overlap between stock/non-stock and for profit/not-for-profit in that not-for-profit corporations are always non-stock as well. A for profit corporation is almost always a stock corporation, but some for profit corporations may choose to be non-stock.n British English and in the Commonwealth countries, the term company is more widely used to describe the same sort of entity while the word corporation encompasses all incorporated entities.
Richard G. Drew invented double-sided tape while working for the 3M company.
Above: A telegraph register unit, made in Utica, NY by the Chubbuck Co. Above: A duplex key or double speed key, a device that has a contact on both sides of the key arm. In April, 2014 we received the following comment: The double speed key was invented and offered as an alternative to the straight key. Telegraphers using a straight key over a long period of time developed Carpal Tunnel syndrome. The double speed key was a SIDESWIPER and often referred to as a cootie key.