Alderucci; Dean, Talwalkar; Nandu A. - US Patent Attorneys and Agents

Number of patents: 3
Last date: July 17, 2001

Number	Title	Issue Date
6263438	Method and apparatus for secure document timestamping The invention relates devices and methods for creating a cryptographically assured timestamp that can be verified by a party that was not present during the creation of the timestamp. The timestamp is applied to physical documents, and other substrates ca...	07/17/2001
6142872	Method and apparatus for team play of slot machines Slot machines for enabling team play by a plurality of slot machine players are disclosed. The game results of each team player are combined in a predefined manner to obtain a team game result. The game results of each player may be combined on a "per-spi...	11/07/2000
6119100	Method and apparatus for managing the sale of aging products A store controller stores a series of prices for a product and respective effective periods during which the prices are effective. A customer submits an offer to buy the product at an "offer price" that is one of the series of prices. The offer also has a...	09/12/2000

PatentStorm