| One small step for man took place before astronauts could even roll their suitcases across the spaceport. The first wheeled suitcase was invented in 1970, a year after the moon landing. It was the brainchild of inventor Bernard D. Sadow, who called it one of his best ideas, despite the fact that the product wasn't immediately popular. Mind you, this wasn't the upright luggage we know today. "The Luggage That Glides," as Macy's marketed the product after buying it, rolled on its side and was pulled with a strap attached to the top. The innovation may not have been very sophisticated, but it nonetheless improved ease and convenience by adding wheels to something that could certainly use them. Sadow applied for a patent in 1970 and received it in 1972. "Whereas formerly, luggage would be handled by porters and be loaded or unloaded at points convenient to the street, the large terminals of today, particularly air terminals, have increased the difficulty of baggage-handling," the patent stated. "Baggage-handling has become perhaps the biggest single difficulty encountered by an air passenger." That remains true today, even with the 1987 invention of the vertical Rollaboard, the now-ubiquitous style of vertical wheeled suitcases. | 
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