U.S. patents available from 1976 to present.
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...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!

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Class 472/42 - Employing occupant or article carriage moving repeatedly up and down


Subclass of Class 472 - Amusement devices
Definition: Subject matter wherein the turning disk, ring, or bowl utilizes
No. of patents: 3
Last issue date: 03/02/2004


NumberTitleIssue Date
6698141Convertible stadium and method of operating
A convertible public exhibition facility includes a stadium having an exhibition area and a seating area that is situated about the exhibition area for permitting spectators to view activities taking place in the exhibition area. The exhibition facility f...
03/02/2004
4767117Amusement ride and game
There is illustrated a combination amusement ride and game including a rotating carousel for carrying a plurality of players. Adjacent to the carousel is a ramp having a tee at its lower end and a target at its elevated end. Balls are introduced to the te...
08/30/1988
3968961Merry-go-round
A compact and easily assembled merry-go-round consists of a turntable supported at its periphery upon spaced inverted casters mounted on a frame bearing, on its underside and in verticle alinement with said casters, leveling devices. The turntable is fixe...
07/13/1976
 
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