The sweeping machine (vacuum cleaner) was patented in Chicago, US, by Ives W. McGaffey.
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Willis Carrier invented the world's first electronic air conditioner.
Isaac Singer was granted his patent for a commercial sewing machine.
The first US fire extinguisher patent was granted to Alanson Crane, Virginia.
The world celebrated the introduction of sliced bread for the first time.
George Westinghouse Jr. patented steam power brake devices in the US.
