James Murray Spangler (1848–1915), a salesman and janitor, invented the first commercially successful portable electric vacuum cleaner that revolutionized household carpet cleaning. His device was the first to use both a cloth filter bag and cleaning attachments. His invention was patented 1908. The post James Murray Spangler (1848–1915)… appeared first on Crazy Facts. Source
Alexander Cumming was an inventor and the first person to patent a flush toilet in 1775. Cumming included an s-trap in the design to prevent sewer gasses from entering the building through the toilet. Modern toilets still incorporate this design. The post Alexander Cumming was an inventor and the first person… appeared first on Crazy… Read More »
In 1963 Robert Kearns invented the intermittent windshield wiper, presented it to Ford Motor Co. and was hired. Ford fired him and took his technology. He sued Ford for patent infringement and after 12 yrs. of litigation, at times without a lawyer, the court awarded Kearns 10.3 M dollars. The post In 1963 Robert Kearns… Read More »