U.S. patents available from 1976 to present.
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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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Inventor: Charles Stack


Address: Cleveland, OH
No. of patents: 3
Last patent issue date: 05/22/2007

NumberTitleIssue Date
7222085System and method for providing recommendation of goods and services based on recorded purchasing history
A computer-implemented method and system utilizing a distributed network for the recommendation of goods and/or services to potential costumers based on a potential customer's selection of goods and/or services and a database of previous customer purchasing history....
05/22/2007
6782370System and method for providing recommendation of goods or services based on recorded purchasing history
A computer-implemented method and system utilizing a distributed network for the recommendation of goods and/or services to potential costumers based on a potential customer's selection of goods and/or services and a database of previous customer purchasing history....
08/24/2004
6076070Apparatus and method for on-line price comparison of competitor's goods and/or services over a computer network
A method and apparatus are provided for a computer-implemented on-line price comparison method for performing price comparison and price reduction of goods and/or services sold by a vendor over a computer network, such as the Internet. The price compariso...
06/13/2000
 
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