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The Ridge Tool Company is an American manufacturing company that makes and distributes tools under the Ridgid brand name. The company was founded in 1923 in North Ridgeville, Ohio . [ 1 ] In 1943, it relocated to its current location in Elyria, Ohio , and in 1966, it became a wholly owned subsidiary of Emerson Electric .
Shop-Vac, also known as Shop-Vac Corporation, is an American wet/dry vacuum manufacturer headquartered in Williamsport, Pennsylvania. Currently, Shop-Vac is owned by Hangzhou GreatStar Industrial and shares a facility with SK Hand Tools .
In 2011, Student Placement Engineer Jake Tyler developed Vax ev, a working prototype of the world's first cardboard vacuum cleaner. [12] This product was featured across a number of tech and environmental online editorials including Gizmag [ 13 ] and TreeHugger , [ 14 ] and on the BBC Television series Bang Goes the Theory . [ 15 ]
In the years 1942-1944, the Radio Manufacturers Association used a descriptive nomenclature system for industrial, transmitting, and special-purpose vacuum tubes. The numbering scheme was distinct from both the numbering schemes used for standard receiving tubes, and the existing transmitting tube numbering systems used previously, such as the ...
ATF Form 4473, October 2016 revision. A Firearms Transaction Record, or ATF Form 4473, is a seven-page form prescribed by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) required in the United States of America to be completed when a person proposes to purchase a firearm from a Federal Firearms License (FFL) holder, such as a gun dealer.
[3] [4] He is best known as the inventor of the bagless vacuum cleaner, which works on the principle of cyclonic separation. According to the Sunday Times Rich List 2023, he is the fifth-richest person in the United Kingdom, with an estimated family net worth of £23 billion. [5] As of March 2024, Forbes lists Dyson's net worth as $13.4 billion ...