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The lawn mower was invented in 1830 by Edwin Beard Budding of Stroud, Gloucestershire, England. [1] Budding's mower was designed primarily to cut the grass on sports grounds and extensive gardens, as a superior alternative to the scythe, and was granted a British patent on August 31, 1830.
Phelps held patents on over 20 innovations in the lawn industry including the first for a rotary mower grass catcher U.S. patent number 2,855,744 in 1960. In 1966 Phelps sold the company to local real estate agent Frank Rogers who in turn sold it to a group of Chicago investors headed by Carl Johnson.
FOUP (an acronym for Front Opening Unified Pod [1] or Front Opening Universal Pod [2]) is a specialized plastic carrier designed to hold silicon wafers securely and safely in a controlled environment, and to allow the wafers to be transferred between machines for processing or measurement.
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AstroTurf is an American subsidiary of SportGroup that produces artificial turf for playing surfaces in sports. The original AstroTurf product was a short-pile synthetic turf invented in 1965 by Monsanto. [2]
Vane-axial fans - Vane-axial fans are similar to tube-axial fans except air-straightening vanes are installed on the suction or discharge side of the rotor. They are easily adapted to multistaging and can develop static pressures as high as 14 to 16 in. wg (3.483 to 3.98 kPa). They are normally used for clean air only. [citation needed]