CarpetSweeper – Patent Yogi LLC

.tm-testi .tm-testi-slider__next,.tm-testi .tm-testi-slider__next:hover,.elementor-widget-container .tm-testi .tm-testi-slider__next,.elementor-widget-container .tm-testi .tm-testi-slider__next:hover{--wpr-bg-2ae5987b-1d7d-40be-bed2-3fbffbdc1538: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/tm-testi-slider-next.png');}.tm-testi .tm-testi-slider__prev,.tm-testi .tm-testi-slider__prev:hover,.elementor-widget-container .tm-testi .tm-testi-slider__prev,.elementor-widget-container .tm-testi .tm-testi-slider__prev:hover{--wpr-bg-530e486f-e7fb-4ea5-9cd8-650705fd9e40: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/tm-testi-slider-prev.png');}div.wpcf7 .ajax-loader{--wpr-bg-1c804292-356d-4279-a8ad-945483cb1ff0: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/ajax-loader.gif');}.story-with-background{--wpr-bg-ed593d5d-c8eb-422f-b969-706c302617c2: url('https://patentyogi.com/wp-content/plugins/royal-elementor-addons/assets/css/');}.bdt-lazy-loading{--wpr-bg-08c6f756-d497-4d52-884b-ef7d23e2bb27: url('https://patentyogi.com/wp-content/plugins/bdthemes-element-pack-lite/assets/images/loading.svg');}.showcase-active .showcase-panel{--wpr-bg-46ad3472-6f91-4c85-9403-e41fb82014f1: url('https://patentyogi.com/wp-content/themes/lanterno/assets/images/header_bg.jpg');}body.error404{--wpr-bg-049a6324-dc78-40e5-bd07-7eb156bf962d: url('https://patentyogi.com/');}.header-wrapper{--wpr-bg-cca699f4-1cf6-4e2b-989f-1e5e6c2be96c: url('https://patentyogi.com/');}.header-wrapper{--wpr-bg-f3bed727-3369-46a3-aac8-c0672f69e4e1: url('https://patentyogi.com/');}

September 19 - This day in patent history (TDIPH) – Carpet Sweeper

On September 19, 1876 Melville Bissell patented a carpet-sweeper, a mechanical device for the cleaning of carpets. A very early appearance of the product occurs…