John Pfeifer
John Pfeifer (1866-1939), а gifted machinist from Springfield, Ohio, was a remarkable inventor. He was a holder of more than sixty patents in the USA, Canada, and Europe, on calculating machines, cash registers, change makers, grave vaults, dictaphones, morgue tables, automatic curtain-hangers, signal devices, locks for automobiles, wrapping machines, automatic..Read More
Leon Bollee
After the first two machines, representing the class of direct-multiplying machines of Edmund Barbour and Ramon Verea, which remained relatively unknown, appeared a third one, which had a much better destiny—machine à multiplier (multiplying machine) of León Bollée of Le Mans, France, which won a gold medal at the 1889..Read More
Friedrich Soennecken
Office administration became a lot more convenient in 1886 when the German inventor Friedrich Soennecken (see the nearby portrait) invented the ring-binder, and the hole-punch. Only several years later Soennecken patented a simple calculating device, which went into production under different names (Consul (the educated monkey), Jumbo (der multiplizierende elefant),..Read More
Frederick Fuller
In the spring of 1888 the young inventor and self-taught engineer Frederick Fuller of Waterbury, Connecticut, saw a model of cash register while working in the shop of the Specialty Manufacturing Co., a firm engaged in special brass work, models of inventions, clock movements, etc., owned by the Griswold family...Read More
William Lang
William Lang was a businessman (founder of William Lang Company of Brooklyn, a manufacturer of metal goods) and prolific inventor from Brooklyn, New York. He patented a wide range of goods, including a windows shade pull, a speed indicator, a fife, a curtain-pole ring, a box fastener, a watch case,..Read More