Dust pan inventor
WebMay 23, 2016 · Vacuums have gotten smaller and more portable, culminating in Black and Decker's 1975 cordless vacuum patent and the 1978 introduction of the Dustbuster. They've become more stylish and cooler,... WebThe dust pan was invented by Lloyd P Ray in the early 1900s. Ray was born in Missouri in 1869 and worked as a janitor before inventing the dust pan. The dust pan was patented in 1902. Ray died in 1948. What did Lawrence …
Dust pan inventor
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http://www.blackhistoryheroes.com/2013/02/science-and-technology-early-african.html Web一种提高构造柱顶部砼成型质量的新型工具式簸箕模板，它涉及建筑工程模板技术领域，它包含簸箕模板、插销、导向槽、活动式支撑、插入式钢板；簸箕模板的两侧侧板上平行插设有两根插销，导向槽固定在簸箕模板的底部，用于堵住簸箕模板与构造柱之间的缝隙；活动式支撑的一端设有合页 ...
A dustpan, the small version of which is also known as a "hearth brush and shovel” (from its use of cleaning the fireplace hearth), is a cleaning utensil. The dustpan is commonly used in combination with a broom or long brush. The small dustpan may appear to be a type of flat scoop. Though often hand-held for home use, industrial and commercial enterprises use a hinged variety on the en… WebThe dust pan was invented by Lloyd P Ray in the early 1900s. Ray was born in Missouri in 1869 and worked as a janitor before inventing the dust pan. The dust pan was patented in …
WebAfrican American inventor, Lloyd Ray, patented a new and useful improvement in dust pans. Lloyd Ray invented a device with a metal collection plate attached to a short wooden … WebLloyd P. Ray - Lloyd P. Ray created the dustpan in 1897. A metal plate with a short wooden handle that allowed sweepers to collect trash without getting their hands dirty, Ray's …
WebA dustpan, the small version of which is also known as a "hearth brush and shovel” (from its use of cleaning the fireplace hearth), is a cleaning utensil.The dustpan is commonly used in combination with a broom or long brush.The small dustpan may appear to be a type of flat scoop.Though often hand-held for home use, industrial and commercial enterprises use a …
WebFeb 20, 2015 · He was responsible for making the dust pan that is attached to a handle. He received the patent for this device in August of 1897. He invented a device with a metal collection plate attached to... pipe jointing machineWebNov 18, 2010 · The Dustpan Dilemma. I am relatively new to Inventor. I am trying to take a sheet metal template for a dustpan and then fold it into the dustpan shape. Folding the … pipe ki spellingWebRennie described her only patented invention, for a “Dust Pan,” as having a “peculiar construction” which would assist with “Sweeping Stairs and Floors of Apartments.” Location Currently on loan Object Name Pan, Dust pan, dust Object Type Patent Model date made 1877 patent date 1877-05-29 patent reissue date 1877-08-28 inventor Rennie, Sarah M. atk 80218-1WebInventor Lloyd Ray Profile. African American inventor Lloyd Ray (born in 1860) patented a new and useful improvement in dustpans. Very little is known about the background and life of Lloyd Ray, but it is clear that he had the ability to think outside of the box to solve … atk 7/11WebThe dust pan 10 can be fabricated by conventional molding processes well known to those skilled in the art. However, it is not intended that the teachings of the invention be limited to any particular method of fabrication or to the particular material adverted to hereinabove since it is well known to those skilled in the art that various methods of fabrication and … pipe joint sealantWebAfrican American inventor, Lloyd Ray, patented a new and useful improvement in dust pans. Lloyd Ray invented a device with a metal collection plate attached to a short wooden handle in which trash could be swept into, without getting one's hands dirty. Below you can view the patent issued to Lloyd Ray. Related Information Kitchen Appliances atk 700 dirt bikeWebAfrican-American inventor: Lloyd Ray dustpan Lloyd P. Ray received U.S. Patent No. 587,607 on August 3, 1897 for a new and useful improvement in dust pans. Ray's device included a … pipe joining machine