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...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 172/534 - Wheel or roller with peripherally spaced plant saving means


Subclass of Class 172 - Earth working
Definition: Apparatus in which the rolling earth working element is
No. of patents: 2
Last issue date: 01/02/2007


NumberTitleIssue Date
7156186Strip-till conditioning rotary reel
These and other objects and objectives are attained by providing an soil conditioning rotary reel for a strip-till primary tillage system, the rotary reel having a particular cross-sectional profile that forms the soil into a uniform raised berm ideally suited for p...
01/02/2007
5628372Land management apparatus for creating irrigation pools
The invention concerns an apparatus which is both land and roadworthy and which is for use in land management. The apparatus comprises wheel or drum members on which it travels which members are provided with friction free or self-cleaning ridges which wh...
05/13/1997
 
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